Actor George Clooney and his girlfriend Sarah Larson arrive for the Metropolitan Museum of Art Costume Institute Gala, "Superheroes: Fashion and Fantasy" in New York, May 5, 2008. REUTERS/Keith Bedford (UNITED STATES) 

Actor George Clooney and girlfriend Sarah Larson arrive for the Metropolitan Museum of Art Costume Institute Gala, "Superheroes: Fashion and Fantasy" in New York, May 5, 2008. The event runs from May 7 to September 1 with an opening red-carpet gala on Monday night that was to include former "Batman" star Clooney and actress Roberts. REUTERS/Keith Bedford (UNITED STATES) 

Actor George Clooney and girlfriend Sarah Larson, both wearing Giorgio Armani, arrive for the Metropolitan Museum of Art Costume Institute Gala, "Superheroes: Fashion and Fantasy" in New York, May 5, 2008. The event runs from May 7 to September 1 with an opening red-carpet gala on Monday night that was to include former "Batman" star Clooney and actress Roberts. REUTERS/Keith Bedford (UNITED STATES) 

George Clooney (2nd L), girlfriend Sarah Larson (L) and Julia Roberts, all wearing Giorgio Armani, pose with fashion designer Giorgio Armani (R) as they arrive for the Metropolitan Museum of Art Costume Institute Gala, "Superheroes: Fashion and Fantasy" in New York, May 5, 2008. The event runs from May 7 to September 1 with an opening red-carpet gala on Monday night that was to include former "Batman" star Clooney and actress Roberts. REUTERS/Lucas Jackson (UNITED STATES) 

Director and cast member George Clooney (L) and his girlfriend Sarah Larson pose at the premiere of "Leatherheads" at the Grauman's Chinese theatre in Hollywood, California March 31, 2008. The movie opens in the U.S. on April 4. REUTERS/Mario Anzuoni (UNITED STATES) 

Director and cast member George Clooney (L) and his girlfriend Sarah Larson pose at the premiere of "Leatherheads" at the Grauman's Chinese theatre in Hollywood, California, March 31, 2008. The movie opens in the U.S. on April 4. REUTERS/Mario Anzuoni (UNITED STATES) 

Sarah Larson looks at actor George Clooney, nominated for best actor for "Michael Clayton," as they arrive at the 80th annual Academy Awards in Hollywood, February 24, 2008. REUTERS/Lucas Jackson (UNITED STATES-OSCARS) 

Oscar winner for best supporting actor Javier Bardem (L) talks with actor George Clooney (C) and Sarah Larson during the 80th annual Academy Awards Governors Ball after the Oscars ceremony in Hollywood February 24, 2008. REUTERS/Lucy Nicholson (UNITED STATES-OSCARS) 

Philip Seymour Hoffman (L), best supporting actor nominee for "Charlie Wilson's War", Sarah Larson (C) and her boyfriend George Clooney (R), nominated for best actor in a leading role for the film 'Michael Clayton" on the red carpet at the 80th annual Academy Awards, the Oscars, in Hollywood, February 24, 2008. Clooney is wearing Giorgio Armani and Larson is dressed in Valentino. REUTERS/Carlos Barria (UNITED STATES-OSCARS) 

Actor George Clooney (C) and girlfriend Sarah Larson arrive at the 80th annual Academy Awards, the Oscars, in Hollywood, February 24, 2008. Clooney is wearing Giorgio Armani and Larson is wearing Valentino.
REUTERS/Carlos Barria (UNITED STATES-OSCARS) 

Best supporting actor winner Javier Bardem (L) talks with actor George Clooney and his girlfriend Sarah Larson at the Governor's Ball at the 80th annual Academy Awards, the Oscars, in Hollywood February 24, 2008. Clooney is wearing Giorgio Armani and Larson is dressed in Valentino. REUTERS/Lucy Nicholson (UNITED STATES-OSCARS) 

Actor George Clooney nominated for best actor for "Michael Clayton" arrives with girlfriend Sarah Larson at the 80th annual Academy Awards in Hollywood, February 24, 2008. Clooney is wearing Giorgio Armani and Larson is wearing Valentino. REUTERS/Carlos Barria (UNITED STATES) 

Oscar nominated actor George Clooney (C) and his girlfriend Sarah Larson attend the 80th Annual Academy Awards Governors Ball after the Oscars ceremony in Hollywood, California February 24, 2008. Clooney is wearing Giorgio Armani and Larson is dressed in Valentino. REUTERS/Lucy Nicholson (UNITED STATES-OSCARS) 

Sarah Larson (L) and her actor boyfriend George Clooney, who is nominated for the Oscar for best actor in a leading role for the film "Michael Clayton," arrives at the 80th annual Academy Awards in Hollywood, February 24, 2008. Clooney is wearing Giorgio Armani and Larson is dressed in Valentino. REUTERS/Carlos Barria (UNITED STATES-OSCARS) 

Actor George Clooney and girlfriend Sarah Larson pose at the 80th annual Academy Awards, the Oscars, in Hollywood February 24, 2008. Clooney is wearing Giorgio Armani and Larson is dressed in Valentino. REUTERS/Carlos Barria (UNITED STATES-OSCARS) 

Actor George Clooney (R), nominated for best actor for the film 'Michael Clayton" poses with his girlfriend, Sarah Larson, on the red carpet at the 80th annual Academy Awards, the Oscars, in Hollywood, February 24, 2008. Clooney is wearing Giorgio Armani and Larson is dressed in Valentino. REUTERS/Carlos Barria (UNITED STATES-OSCARS) 

Actor George Clooney, nominated for best actor for "Michael Clayton," and his girlfriend Sarah Larson, dressed in Valentino, arrive at the 80th annual Academy Awards in Hollywood, February 24, 2008. Clooney is wearing Giorgio Armani.
REUTERS/Lucas Jackson (UNITED STATES-OSCARS) 

Actor George Clooney, nominated for best actor for "Michael Clayton," and his girlfriend Sarah Larson, dressed in Valentino, arrive at the 80th annual Academy Awards in Hollywood, February 24, 2008. Clooney is wearing Armani. REUTERS/Lucas Jackson (UNITED STATES-OSCARS) 

George Clooney (R), best actor nominee for the film "Michael Clayton," and his girlfriend Sarah Larson arrive at the 80th annual Academy Awards in Hollywood February 24, 2008. Clooney is wearing Giorgio Armani and Larson is dressed in Valentino. REUTERS/Lucas Jackson (UNITED STATES-OSCARS) 

Best actor nominee George Clooney for the film "Michael Clayton" and his girlfriend Sarah Larson arrive at the 80th annual Academy Awards in Hollywood, February 24, 2008. Clooney is wearing Giorgio Armani and Larson is dressed in Valentino. REUTERS/Lucas Jackson (UNITED STATES-OSCARS) 

Best actor Oscar nominee George Clooney of the film "Michael Clayton", arrives with his girlfriend, Sarah Larson, dressed in Valentino, at the 80th annual Academy Awards in Hollywood February 24, 2008. Clooney is wearing Giorgio Armani. REUTERS/Mario Anzuoni (UNITED STATES-OSCARS) 

George Clooney (R), best actor nominee for the film "Michael Clayton," and his girlfriend Sarah Larson arrive at the 80th annual Academy Awards in Hollywood February 24, 2008. Clooney is wearing Giorgio Armani and Larson is dressed in Valentino. REUTERS/Lucas Jackson (UNITED STATES-OSCARS) 

Best actor Oscar nominee George Clooney of the film "Michael Clayton" arrives with his girlfriend, Sarah Larson, at the 80th annual Academy Awards in Hollywood February 24, 2008. Clooney is wearing Giorgio Armani and Larson is dressed in Valentino. REUTERS/Mario Anzuoni (UNITED STATES-OSCARS) 

Actor George Clooney, nominated for best actor for "Michael Clayton," and his girlfriend Sarah Larson, dressed in Valentino, arrive at the 80th annual Academy Awards in Hollywood, February 24, 2008. Clooney is wearing Giorgio Armani. REUTERS/Lucas Jackson (UNITED STATES-OSCARS) 

Actor George Clooney, nominated for best actor for "Michael Clayton", and his girlfriend Sarah Larson, dressed in Valentino arrive at the 80th annual Academy Awards in Hollywood, February 24, 2008. Clooney is wearing Giorgio Armani.
REUTERS/Lucas Jackson (UNITED STATES-OSCARS) 

Best actor Oscar nominee George Clooney of the film "Michael Clayton" and his girlfriend Sarah Larson arrive at the 80th annual Academy Awards in Hollywood February 24, 2008. Clooney is wearing Giorgio Armani and Larson is dressed in Valentino. REUTERS/Lucas Jackson (UNITED STATES-OSCARS) 

Best actor Oscar nominee George Clooney of the film "Michael Clayton," arrives with his girlfriend, Sarah Larson, at the 80th annual Academy Awards in Hollywood, February 24, 2008. Clooney is wearing Giorgio Armani and Larson is dressed in Valentino. REUTERS/Mario Anzuoni (UNITED STATES-OSCARS) 

Best actor Oscar nominee George Clooney of the film "Michael Clayton," arrives with his girlfriend, Sarah Larson, at the 80th annual Academy Awards in Hollywood, February 24, 2008. Clooney is wearing Giorgio Armani and Larson is dressed in Valentino. REUTERS/Mario Anzuoni (UNITED STATES-OSCARS) 

Best actor Oscar nominee George Clooney of the film "Michael Clayton" arrives with his girlfriend Sarah Larson at the 80th annual Academy Awards in Hollywood February 24, 2008. Clooney is wearing Giorgio Armani and Larson is dressed in Valentino. REUTERS/Mario Anzuoni (UNITED STATES-OSCARS) 

Actor George Clooney (L) arrives with his girlfriend Sarah Larson at the National Board Of Review of Motion Pictures award gala in New York January 15, 2008. REUTERS/Lucas Jackson (UNITED STATES) 

Actor George Clooney (L) arrives with his girlfriend Sarah Larson at the National Board Of Review of Motion Pictures award gala in New York January 15, 2008. REUTERS/Lucas Jackson (UNITED STATES) 

Actor George Clooney (L) arrives with his girlfriend Sarah Larson at the National Board Of Review of Motion Pictures award gala in New York January 15, 2008. REUTERS/Lucas Jackson (UNITED STATES) 

Sarah Larson watches her boyfriend, U.S. actor George Clooney, during a press conference at the 2007 Peace Summit at city hall in Rome December 13, 2007. Clooney and fellow actor Don Cheadle received an award from Nobel peace prize laureates for their campaign to help the people of Sudan's Darfur region after 4-1/2 years of war. REUTERS/Dario Pignatelli (ITALY) 

Sarah Larson watches her boyfriend, U.S. actor George Clooney, during a press conference at the 2007 Peace Summit at city hall in Rome December 13, 2007. Clooney and fellow actor Don Cheadle received an award from Nobel peace prize laureates for their campaign to help the people of Sudan's Darfur region after 4-1/2 years of war. REUTERS/Dario Pignatelli (ITALY) 

Sarah Larson watches her boyfriend, U.S. actor George Clooney, during a press conference at the 2007 Peace Summit at city hall in Rome December 13, 2007. Clooney and fellow actor Don Cheadle received an award from Nobel peace prize laureates for their campaign to help the people of Sudan's Darfur region after 4-1/2 years of war. REUTERS/Dario Pignatelli (ITALY) 

Sarah Larson watches her boyfriend, U.S. actor George Clooney, during a press conference at the 2007 Peace Summit at city hall in Rome December 13, 2007. Clooney and fellow actor Don Cheadle received an award from Nobel peace prize laureates for their campaign to help the people of Sudan's Darfur region after 4-1/2 years of war. REUTERS/Dario Pignatelli (ITALY) 

Sarah Larson watches her boyfriend, U.S. actor George Clooney, during a press conference at the 2007 Peace Summit at city hall in Rome December 13, 2007. Clooney and fellow actor Don Cheadle received an award from Nobel peace prize laureates for their campaign to help the people of Sudan's Darfur region after 4-1/2 years of war. REUTERS/Dario Pignatelli (ITALY) 

U.S. actor George Clooney walks with his girlfriend Sarah Larson (R) after attending the 2007 Peace Summit at city hall in Rome December 13, 2007. Clooney and fellow actor Don Cheadle received an award from Nobel peace prize laureates for their campaign to help the people of Sudan's Darfur region after 4-1/2 years of war. REUTERS/Dario Pignatelli (ITALY) 

U.S. actor George Clooney (L) walks with his girlfriend Sarah Larson after attending the 2007 Peace Summit at city hall in Rome December 13, 2007. Clooney and fellow actor Don Cheadle received an award from Nobel peace prize laureates for their campaign to help the people of Sudan's Darfur region after 4-1/2 years of war. REUTERS/Dario Pignatelli (ITALY) 

U.S. actor George Clooney (L) walks with his girlfriend Sarah Larson after attending the 2007 Peace Summit at city hall in Rome December 13, 2007. Clooney and fellow actor Don Cheadle received an award from Nobel peace prize laureates for their campaign to help the people of Sudan's Darfur region after 4 and 1/2 years of war. REUTERS/Dario Pignatelli (ITALY) 

U.S. actor George Clooney (L) sits with his girlfriend Sarah Larson during the 2007 Peace Summit at city hall in Rome December 13, 2007. Clooney and fellow actor Don Cheadle received an award from Nobel peace prize laureates for their campaign to help the people of Sudan's Darfur region after 4-1/2 years of war. REUTERS/Dario Pignatelli (ITALY) 

U.S. actor George Clooney (L) speaks with his girlfriend Sarah Larson during the 2007 Peace Summit at city hall in Rome December 13, 2007. Clooney and fellow actor Don Cheadle received an award from Nobel peace prize laureates for their campaign to help the people of Sudan's Darfur region after 4-1/2 years of war. REUTERS/Dario Pignatelli (ITALY) 

U.S. actor George Clooney (L) places his hand on the leg of girlfriend Sarah Larson during the 2007 Peace Summit at city hall in Rome December 13, 2007. Clooney and fellow actor Don Cheadle received an award from Nobel peace prize laureates for their campaign to help the people of Sudan's Darfur region after 4-1/2 years of war. REUTERS/Dario Pignatelli (ITALY) 

U.S. actor George Clooney (L) sits with his girlfriend Sarah Larson during the 2007 Peace Summit in Rome December 13, 2007. Clooney and fellow actor Don Cheadle received an award from Nobel peace prize laureates for their campaign to help the people of Sudan's Darfur region after 4-1/2 years of war. REUTERS/Dario Pignatelli (ITALY) 

U.S. actor George Clooney (R) arrives with his girlfriend Sarah Larson at the 2007 Peace Summit in Rome December 13, 2007. Clooney and fellow actor Don Cheadle received an award from Nobel peace prize laureates for their campaign to help the people of Sudan's Darfur region after 4-1/2 years of war. REUTERS/Dario Pignatelli (ITALY) 

U.S. actor George Clooney (L) speaks with his girlfriend Sarah Larson during the 2007 Peace Summit at the city hall in Rome December 13, 2007. Clooney and fellow actor Don Cheadle received an award from Nobel peace prize laureates for their campaign to help the people of Sudan's Darfur region after 4-1/2 years of war. REUTERS/Dario Pignatelli (ITALY) 

Sarah Larson, girlfriend of George Clooney, looks on as she arrives for the opening ceremony of the 4th edition of the Dubai International Film Festival December 9, 2007. REUTERS/ Steve Crisp (UNITED ARAB EMIRATES) 

Actor George Clooney (R) arrives with his girlfriend, Sarah Larson, to the premiere of his new film "Michael Clayton" in New York September 24, 2007. Clooney and Larson were involved in a motorcycle accident last week which resulted in an injured rib for Clooney and an injured foot for Larson. REUTERS/Lucas Jackson (UNITED STATES) 

Actor George Clooney (R) arrives with his girlfriend, Sarah Larson, to the premiere of his new film "Michael Clayton" in New York September 24, 2007. Clooney and Larson were involved in a motorcycle accident last week which resulted in an injured rib for Clooney and an injured foot for Larson. REUTERS/Lucas Jackson (UNITED STATES) 

Actor George Clooney (R) arrives with his girlfriend, Sarah Larson, to the premiere of his new film "Michael Clayton" in New York September 24, 2007. Clooney and Larson were involved in a motorcycle accident last week which resulted in an injured rib for Clooney and an injured foot for Larson. REUTERS/Lucas Jackson (UNITED STATES) 

Actor George Clooney (R) arrives with his girlfriend, Sarah Larson, to the premiere of his new film "Michael Clayton" in New York September 24, 2007. Clooney and Larson were involved in a motorcycle accident last week which resulted in an injured rib for Clooney and an injured foot for Larson. REUTERS/Lucas Jackson (UNITED STATES) 

Actor George Clooney (R) arrives with his girlfriend, Sarah Larson, to the premiere of his new film "Michael Clayton" in New York September 24, 2007. Clooney and Larson were involved in a motorcycle accident last week which resulted in an injured rib for Clooney and an injured foot for Larson. REUTERS/Lucas Jackson (UNITED STATES) 

Actor George Clooney (C) arrives with his guest Sarah Larson for the premiere of the film "The Assassination of Jesse James By The Coward Robert Ford" in New York September 18, 2007 . REUTERS/Keith Bedford (UNITED STATES) 

Actor George Clooney (L) arrives with his guest Sarah Larson for the premiere of the film "The Assassination of Jesse James By The Coward Robert Ford" in New York September 18, 2007 . REUTERS/Keith Bedford (UNITED STATES) 

Actor George Clooney arrives with his guest Sarah Larson for the premiere of the film "The Assassination of Jesse James by the Coward Robert Ford" in New York September 18, 2007. REUTERS/Lucas Jackson (UNITED STATES)