Actress Emmy Rossum poses at the premiere of "Keanu" at ArcLight in Los Angeles, U.S., April 27, 2016. REUTERS/Mario Anzuoni 

Actresses Emmy Rossum (L) and Jennifer Aniston arrive at the 21st Annual Critics' Choice Awards in Santa Monica, California January 17, 2016. REUTERS/Danny Moloshok 

Actress Emmy Rossum arrives at the 21st Annual Critics' Choice Awards in Santa Monica, California January 17, 2016. REUTERS/Danny Moloshok 

Actress Emmy Rossum arrives backstage at the 21st Annual Critics' Choice Awards in Santa Monica, California January 17, 2016. REUTERS/Danny Moloshok 

Actress Emmy Rossum arrives at the 21st Annual Critics' Choice Awards in Santa Monica, California January 17, 2016. REUTERS/Danny Moloshok 

Actress Emmy Rossum arrives at the 21st Annual Critics' Choice Awards in Santa Monica, California January 17, 2016. REUTERS/Danny Moloshok 

Actress Emmy Rossum arrives at the 73rd Golden Globe Awards in Beverly Hills, California January 10, 2016. REUTERS/Mario Anzuoni 

Actress Emmy Rossum arrives at the 73rd Golden Globe Awards in Beverly Hills, California January 10, 2016. REUTERS/Mario Anzuoni 

Actress Emmy Rossum arrives at the 73rd Golden Globe Awards in Beverly Hills, California January 10, 2016. REUTERS/Mario Anzuoni 

Actress Emmy Rossum poses on the red carpet for the Gotham Independent Film Awards in New York November 30, 2015. REUTERS/Shannon Stapleton 

Actress Emmy Rossum poses on the red carpet for the Gotham Independent Film Awards in New York November 30, 2015. REUTERS/Shannon Stapleton 

Actress Emmy Rossum poses during the InStyle Awards at the Getty Center in Los Angeles, California on October 26, 2015. REUTERS/Kevork Djansezian 

Actress Emmy Rossum poses during the InStyle Awards at the Getty Center in Los Angeles, California on October 26, 2015. REUTERS/Kevork Djansezian 

Actress Emmy Rossum poses during the InStyle Awards at the Getty Center in Los Angeles, California on October 26, 2015. REUTERS/Kevork Djansezian 

Actress Emmy Rossum poses during the InStyle Awards at the Getty Center in Los Angeles, California on October 26, 2015. REUTERS/Kevork Djansezian 

Actress Emmy Rossum attends the CBS/CW/Showtime Television Critics Association (TCA) party in West Hollywood, California August 10, 2015. REUTERS/Phil McCarten 

Actress Emmy Rossum arrives for the 2015 CFDA Fashion Awards in New York June 1, 2015. REUTERS/Lucas Jackson

Actress Emmy Rossum arrives for the 2015 CFDA Fashion Awards in New York June 1, 2015. REUTERS/Lucas Jackson

Actress Emmy Rossum (L) arrives for the 2015 CFDA Fashion Awards in New York June 1, 2015. REUTERS/Lucas Jackson

Actress Emmy Rossum arrives for the 2015 CFDA Fashion Awards in New York June 1, 2015. REUTERS/Lucas Jackson

Actress Emmy Rossum arrives to present the award for Best International Film at the 2015 Film Independent Spirit Awards in Santa Monica, California February 21, 2015. REUTERS/Adrees Latif (UNITED STATES - Tags:ENTERTAINMENT) (SPIRITAWARDS-SHOW) 

Detail view of the dress worn by actress Emmy Rossum as she arrives at the 2015 Film Independent Spirit Awards in Santa Monica, California February 21, 2015. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT) (SPIRITAWARDS-ARRIVALS) 

Actress Emmy Rossum arrives at the 2015 Film Independent Spirit Awards in Santa Monica, California February 21, 2015. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT) (SPIRITAWARDS-ARRIVALS) 

Actress Emmy Rossum arrives at the 2015 Film Independent Spirit Awards in Santa Monica, California February 21, 2015. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT) (SPIRITAWARDS-ARRIVALS) 

Actress Emmy Rossum arrives at the 2015 Film Independent Spirit Awards in Santa Monica, California February 21, 2015. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT) (SPIRITAWARDS-ARRIVALS) 

Actress Emmy Rossum applauds as co-star William H. Macy (obscured) is announced as the winner of the Outstanding Performance by a Male Actor in a Comedy Series award for his role in the Showtime series "Shameless" at the 21st annual Screen Actors Guild Awards in Los Angeles, California January 25, 2015. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) (SAGAWARDS-SHOW) 

Actress Emmy Rossum from the Showtime series "Shameless" arrives at the 21st annual Screen Actors Guild Awards in Los Angeles, California January 25, 2015. REUTERS/Mike Blake (UNITED STATES - Tags: ENTERTAINMENT) (SAGAWARDS-ARRIVALS)

Actress Emmy Rossum from the Showtime series "Shameless" arrives at the 21st annual Screen Actors Guild Awards in Los Angeles, California January 25, 2015. REUTERS/Mike Blake (UNITED STATES - Tags: ENTERTAINMENT) (SAGAWARDS-ARRIVALS)

Actress Emmy Rossum, from the Showtime series "Shameless," arrives at the 21st annual Screen Actors Guild Awards in Los Angeles, California January 25, 2015. REUTERS/Lucy Nicholson (UNITED STATES - Tags: ENTERTAINMENT) (SAGAWARDS- ARRIVALS)

Actress Emmy Rossum poses at the premiere of Showtime's comedies "Shameless," "House of Lies" and "Episodes" in West Hollywood, California January 5, 2015. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actress Emmy Rossum poses at the premiere of Showtime's comedies "Shameless," "House of Lies" and "Episodes" in West Hollywood, California January 5, 2015. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actress Emmy Rossum poses at the premiere of Showtime's comedies "Shameless," "House of Lies" and "Episodes" in West Hollywood, California January 5, 2015. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actress Emmy Rossum poses at the premiere of Showtime's comedies "Shameless," "House of Lies" and "Episodes" in West Hollywood, California January 5, 2015. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actress Emmy Rossum poses at the premiere of Showtime's comedies "Shameless," "House of Lies" and "Episodes" in West Hollywood, California January 5, 2015. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actors William H. Macy, Emmy Rossum (R) and Alicia Witt pose at the premiere of Showtime's comedies "Shameless," "House of Lies" and "Episodes" in West Hollywood, California January 5, 2015. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actors William H. Macy (C), Emmy Rossum (R) and Alicia Witt pose at the premiere of Showtime's comedies "Shameless," "House of Lies" and "Episodes" in West Hollywood, California January 5, 2015. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actors William H. Macy and Emmy Rossum pose at the premiere of Showtime's comedies "Shameless," "House of Lies" and "Episodes" in West Hollywood, California January 5, 2015. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actors William H. Macy and Emmy Rossum pose at the premiere of Showtime's comedies "Shameless," "House of Lies" and "Episodes" in West Hollywood, California January 5, 2015. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actors William H. Macy and Emmy Rossum pose at the premiere of Showtime's comedies "Shameless," "House of Lies" and "Episodes" in West Hollywood, California January 5, 2015. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actors (from L-R) Matt LeBlanc, Emmy Rossum, Don Cheadle and William H. Macy pose at the premiere of Showtime's comedies "Shameless," "House of Lies" and "Episodes" in West Hollywood, California January 5, 2015. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actors (from L-R) Matt LeBlanc, Emmy Rossum, Don Cheadle and William H. Macy pose at the premiere of Showtime's comedies "Shameless," "House of Lies" and "Episodes" in West Hollywood, California January 5, 2015. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actors (from L-R) Matt LeBlanc, Emmy Rossum, Don Cheadle and William H. Macy pose at the premiere of Showtime's comedies "Shameless," "House of Lies" and "Episodes" in West Hollywood, California January 5, 2015. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actors (from L-R) Matt LeBlanc, Emmy Rossum, Don Cheadle and William H. Macy pose at the premiere of Showtime's comedies "Shameless," "House of Lies" and "Episodes" in West Hollywood, California January 5, 2015. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actors (from L-R) Matt LeBlanc, Emmy Rossum, Don Cheadle and William H. Macy pose at the premiere of Showtime's comedies "Shameless," "House of Lies" and "Episodes" in West Hollywood, California January 5, 2015. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actors (from L-R) Matt LeBlanc, Emmy Rossum, Don Cheadle and William H. Macy pose at the premiere of Showtime's comedies "Shameless," "House of Lies" and "Episodes" in West Hollywood, California January 5, 2015. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actors (from L-R) Matt LeBlanc, Emmy Rossum, Don Cheadle and William H. Macy pose at the premiere of Showtime's comedies "Shameless," "House of Lies" and "Episodes" in West Hollywood, California January 5, 2015. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT TPX IMAGES OF THE DAY) 

Actress Emmy Rossum poses at the 21st annual ELLE Women in Hollywood Awards in Los Angeles, California October 20, 2014. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actress Emmy Rossum poses at the 21st annual ELLE Women in Hollywood Awards in Los Angeles, California October 20, 2014. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actress Emmy Rossum arrives at a launch dinner for Claiborne Swanson Frank's photo book "Young Hollywood" with a foreword by fashion designer Michael Kors in Beverly Hills, California October 2, 2014. REUTERS/Mario Anzuoni (UNITED STATES) 

Actress Emmy Rossum poses at a launch dinner for Claiborne Swanson Frank's photo book "Young Hollywood" with a foreword by fashion designer Michael Kors in Beverly Hills, California October 2, 2014. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT FASHION) 

Fashion designer Michael Kors poses with actress Emmy Rossum at a launch dinner for Claiborne Swanson Frank's photo book "Young Hollywood" with a foreword by Kors in Beverly Hills, California October 2, 2014. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT FASHION) 

Actress Emmy Rossum poses at a launch dinner for Claiborne Swanson Frank's photo book "Young Hollywood" with a foreword by fashion designer Michael Kors in Beverly Hills, California October 2, 2014. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actress Emmy Rossum poses at a launch dinner for Claiborne Swanson Frank's photo book "Young Hollywood" with a foreword by fashion designer Michael Kors in Beverly Hills, California October 2, 2014. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actress Emmy Rossum poses at a launch dinner for Claiborne Swanson Frank's photo book "Young Hollywood" with a foreword by fashion designer Michael Kors in Beverly Hills, California October 2, 2014. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actress Emmy Rossum poses at a launch dinner for Claiborne Swanson Frank's photo book "Young Hollywood" with a foreword by fashion designer Michael Kors in Beverly Hills, California October 2, 2014. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actors Max Greenfield and Emmy Rossum present the Best Actor in a Movie or Mini-Series award at the 4th Annual Critics' Choice Television Awards at the Beverly Hilton in Beverly Hills, California June 19, 2014. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Actress Emmy Rossum poses at the 4th annual Critics' Choice Television Awards in Beverly Hills, California June 19, 2014. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT) 

Actress Emmy Rossum poses at the 4th annual Critics' Choice Television Awards in Beverly Hills, California June 19, 2014. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT) 

Actress Emmy Rossum presents and award during the American Theatre Wing's 68th annual Tony Awards at Radio City Music Hall in New York, June 8, 2014. REUTERS/Carlo Allegri (UNITED STATES - Tags: ENTERTAINMENT)

Actress Emmy Rossum arrives for the American Theatre Wing's 68th annual Tony Awards at Radio City Music Hall in New York, June 8, 2014. REUTERS/Andrew Kelly (UNITED STATES - Tags: ENTERTAINMENT)