Last years' winners of the Eurovision song contest (L-R) Dima Bilan of Russia, Eldar Gasimov and Nigar Jamal, the Azeri duo known as Ell-Nikki, Marija Serifovic of Serbia, Alexander Rybak of Norway and Lena Meyer-Landrut of Germany perform on the stage after the second semi-final in Baku, May 25, 2012. REUTERS/David Mdzinarishvili (AZERBAIJAN - Tags: ENTERTAINMENT) 

Last years' winners of the Eurovision song contest (L-R) Dima Bilan of Russia, Eldar Gasimov and Nigar Jamal, the Azeri duo known as Ell-Nikki, Marija Serifovic of Serbia, Alexander Rybak of Norway and Lena Meyer-Landrut of Germany perform on the stage after the second semi-final in Baku, May 25, 2012. REUTERS/David Mdzinarishvili (AZERBAIJAN - Tags: ENTERTAINMENT) 

Eurovision 2008 winner Dima Bilan of Russia presents a creation by Italian fashion designer Giorgio Armani during a fashion show at the GUM department store in Moscow October 27, 2009. Armani, still frail after a bout of hepatitis, hinted on Tuesday of succession plans for his vast clothes empire after his retirement and joked about his appearance. REUTERS/Denis Sinyakov (RUSSIA FASHION ENTERTAINMENT) 

Eurovision 2008 winner Dima Bilan of Russia presents a creation by Italian fashion designer Giorgio Armani during a fashion show at the GUM department store in Moscow October 27, 2009. Armani, still frail after a bout of hepatitis, hinted on Tuesday of succession plans for his vast clothes empire after his retirement and joked about his appearance. REUTERS/Denis Sinyakov (RUSSIA FASHION ENTERTAINMENT) 

Eurovision 2008 winner Dima Bilan of Russia performs as an invited guest during the opening show of the international song contest New Wave in Jurmala July 28, 2009. REUTERS/Ints Kalnins (LATVIA ENTERTAINMENT) 

Eurovision 2008 winner Dima Bilan of Russia performs as an invited guest during the opening show of the international song contest New Wave in Jurmala July 28, 2009. REUTERS/Ints Kalnins (LATVIA ENTERTAINMENT) 

Last year's winner Dima Bilan of Russia (L) hands the trophy to Norway's Alexander Rybak after Rybak won the Eurovision Song Contest in Moscow May 16, 2009. REUTERS/Sergei Karpukhin (RUSSIA ENTERTAINMENT) 

Russian singer and last year's winner Dima Bilan is silhouetted against a video display as he performs before the start of the Eurovision Song Contest final in Moscow May 16, 2009. REUTERS/Sergei Karpukhin (RUSSIA ENTERTAINMENT) 

Russian singer and last year's winner Dima Bilan performs before the start of the Eurovision Song Contest final in Moscow May 16, 2009. REUTERS/Sergei Karpukhin (RUSSIA ENTERTAINMENT) 

Russian singer and last year's winner Dima Bilan performs before the start of the Eurovision Song Contest final in Moscow May 16, 2009. REUTERS/Sergei Karpukhin (RUSSIA ENTERTAINMENT SOCIETY) 

Russian singer and last year's winner Dima Bilan (2nd R) performs during the dress rehearsal for the Eurovision Song Contest final in Moscow May 16, 2009. REUTERS/Denis Sinyakov (RUSSIA ENTERTAINMENT) 

Russian singer Dima Bilan performs during the dress rehearsal for the Eurovision Song Contest final in Moscow May 16, 2009. REUTERS/Denis Sinyakov (RUSSIA) 

Russian singer Dima Bilan (R) and his producer Yana Rudkovskaya arrive for the MTV Russia Movie Awards in Barvikha outside Moscow April 23, 2009. REUTERS/Thomas Peter (RUSSIA ENTERTAINMENT) 

Russian singer Dima Bilan arrives for the MTV Russia Movie Awards in Barvikha outside Moscow April 23, 2009. REUTERS/Thomas Peter (RUSSIA ENTERTAINMENT) 

Dima Bilan of Russia draws lots of the Eurovision Song Contest 2009 in Moscow, March 16, 2009. Last year more than 100 million television viewers watched Dima Bilan win the contest for Russia for the first time, giving it the right to host this year's event. REUTERS/Sergei Karpukhin (RUSSIA ENTERTAINMENT) 

Dima Bilan of Russia draws lots of the Eurovision Song Contest 2009 in Moscow, March 16, 2009. More than 100 million television viewers last year watched Dima Bilan win the contest for Russia for the first time, giving it the right to host this year's event. REUTERS/Sergei Karpukhin (RUSSIA ENTERTAINMENT) 

A group of childrens perform before Dima Bilan of Russia starts to draw lots of the Eurovision Song Contest 2009 in Moscow, March 16, 2009. More than 100 million television viewers last year watched Dima Bilan win the contest for Russia for the first time, giving it the right to host this year's event. REUTERS/Sergei Karpukhin (RUSSIA ENTERTAINMENT) 

Dima Bilan (L) of Russia draws lots of the Eurovision Song Contest 2009 in Moscow, March 16, 2009. More than 100 million television viewers last year watched Dima Bilan win the contest for Russia for the first time, giving it the right to host this year's event. REUTERS/Sergei Karpukhin (RUSSIA ENTERTAINMENT) 

Dima Bilan of Russia draws lots of the Eurovision Song Contest 2009 in Moscow, March 16, 2009. More than 100 million television viewers last year watched Dima Bilan win the contest for Russia for the first time, giving it the right to host this year's event. REUTERS/Sergei Karpukhin (RUSSIA ENTERTAINMENT) 

People look at tickets for the Eurovision Song Contest in Moscow they bought on the first day of ticket open sale in central Moscow, March 16, 2009. Last year more than 100 million television viewers watched Dima Bilan win the contest for Russia for the first time, giving it the right to host this year's event. REUTERS/Sergei Karpikhin (RUSSIA SOCIETY) 

Russian singer and Eurovision 2008 winner Dima Bilan (in white) arrives with model Elena Kuletskaya for the MUZ-TV music awards in Moscow June 6, 2008. REUTERS/Denis Sinyakov (RUSSIA) 

Fans cheer as Russian singer and Eurovision 2008 winner Dima Bilan arrives for the MUZ-TV music awards in Moscow June 6, 2008. REUTERS/Denis Sinyakov (RUSSIA) 

Russian singer and Eurovision 2008 winner Dima Bilan arrives for the MUZ-TV music awards in Moscow June 6, 2008. REUTERS/Denis Sinyakov (RUSSIA) 

Russian singer and Eurovision 2008 winner Dima Bilan (R) arrives with model Elena Kuletskaya for the MUZ-TV music awards in Moscow June 6, 2008. REUTERS/Denis Sinyakov (RUSSIA) 

Russian singer and Eurovision 2008 winner Dima Bilan arrives for the MUZ-TV music awards in Moscow June 6, 2008. REUTERS/Denis Sinyakov (RUSSIA) 

Russian singer and Eurovision 2008 winner Dima Bilan (R) arrives with model Elena Kuletskaya for the MUZ-TV music awards in Moscow June 6, 2008. REUTERS/Denis Sinyakov (RUSSIA) 

Russian singer and Eurovision 2008 winner Dima Bilan arrives for the MUZ-TV music awards in Moscow June 6, 2008. REUTERS/Alexander Natruskin (RUSSIA) 

Russian singer and Eurovision 2008 winner Dima Bilan (L) arrives with model Elena Kuletskaya for the MUZ-TV music awards in Moscow June 6, 2008. REUTERS/Alexander Natruskin (RUSSIA) 

Dima Bilan (L), 26-year-old singer, and Hungarian violinist Edvin Marton perform during a news conference on their arrival in Moscow's Sheremetyevo airport, May 25, 2008. Bilan beat 24 contestants to give Russia its first victory in the Eurovision Song Contest on Saturday with a rock ballad "Believe". REUTERS/Mikhail Voskresensky (RUSSIA) 

Dima Bilan (L), 26-year-old singer, and Hungarian violinist Edvin Marton perform during a news conference on their arrival in Moscow's Sheremetyevo airport, May 25, 2008. Bilan beat 24 contestants to give Russia its first victory in the Eurovision Song Contest on Saturday with a rock ballad "Believe". REUTERS/Mikhail Voskresensky (RUSSIA) 

Dima Bilan (L), 26-year-old singer, and Hungarian violinist Edvin Marton perform during a news conference on their arrival in Moscow's Sheremetyevo airport, May 25, 2008. Bilan beat 24 contestants to give Russia its first victory in the Eurovision Song Contest on Saturday with a rock ballad "Believe". REUTERS/Mikhail Voskresensky (RUSSIA) 

Dima Bilan, 26-year-old singer, Hungarian violinist Edvin Marton and Russian Olympic gold figure skating medallist Evgeni Plushenko perform during a news conference on their arrival in Moscow's Sheremetyevo airport May 25, 2008. Bilan beat 24 contestants to give Russia its first victory in the Eurovision Song Contest on Saturday with a rock ballad "Believe". REUTERS/Mikhail Voskresensky (RUSSIA) 

(L-R) Producer Yana Rutkovskaya, 26-year-old singer Dima Bilan, Hungarian violinist Edvin Marton and Russian Olympic gold figure skating medallist Evgeni Plushenko pose for a picture on their arrival in Moscow's Sheremetyevo airport May 25, 2008. Bilan beat 24 contestants to give Russia its first victory in the Eurovision Song Contest on Saturday with a rock ballad "Believe". REUTERS/Mikhail Voskresensky (RUSSIA) 

Dima Bilan, 26-year-old singer, takes part in a news conference on his arrival in Moscow's Sheremetyevo airport, May 25, 2008. Bilan beat 24 contestants to give Russia its first victory in the Eurovision Song Contest on Saturday with a rock ballad "Believe". REUTERS/Mikhail Voskresensky (RUSSIA) 

Dima Bilan, 26-year-old singer, takes part in a news conference on his arrival in Moscow's Sheremetyevo airport May 25, 2008. Bilan beat 24 contestants to give Russia its first victory in the Eurovision Song Contest on Saturday with a rock ballad "Believe". REUTERS/Mikhail Voskresensky (RUSSIA) 

Dima Bilan of Russia performs the song "Believe" during the finals of the Eurovision Song Contest in Belgrade May 24, 2007. REUTERS/Marko Djurica (SERBIA) 

Dima Bilan of Russia is greeted by the crowd after winning the Eurovision Song Contest in Belgrade May 24, 2008. REUTERS/Marko Djurica (SERBIA) 

Dima Bilan of Russia celebrates on stage after winning the Eurovision Song Contest in Belgrade May 24, 2008. REUTERS/Marko Djurica (SERBIA) 

Dima Bilan of Russia celebrates on stage after winning the Eurovision Song Contest in Belgrade May 24, 2008. REUTERS/Marko Djurica (SERBIA) 

Dima Bilan of Russia celebrates on stage after winning the Eurovision Song Contest in Belgrade May 24, 2008. REUTERS/Marko Djurica (SERBIA) 

Dima Bilan of Russia celebrates on stage after winning the Eurovision Song Contest in Belgrade May 24, 2008. REUTERS/Marko Djurica (SERBIA) 

Dima Bilan of Russia celebrates on stage after winning the Eurovision Song Contest in Belgrade May 24, 2008. REUTERS/Marko Djurica (SERBIA) 

Dima Bilan of Russia sings after winning the Eurovision Song Contest in Belgrade May 24, 2007. REUTERS/Marko Djurica (SERBIA) 

Dima Bilan of Russia greets the crowd on stage after winning the Eurovision Song Contest in Belgrade May 24, 2008. REUTERS/Marko Djurica (SERBIA) 

Dima Bilan of Russia performs the song "Believe" during the finals of the Eurovision Song Contest in Belgrade May 24, 2007. REUTERS/Marko Djurica (SERBIA) 

Dima Bilan of Russia (R) performs the song "Believe" during the finals of the Eurovision Song Contest in Belgrade May 24, 2007. REUTERS/Marko Djurica (SERBIA) 

Dima Bilan of Russia performs the song "Believe" during the finals of the Eurovision Song Contest in Belgrade May 24, 2007. REUTERS/Marko Djurica (SERBIA) 

Dima Bilan of Russia performs the song "Believe" during the finals of the Eurovision Song Contest in Belgrade May 24, 2007. REUTERS/Marko Djurica (SERBIA) 

Dima Bilan of Russia performs the song "Believe" during the finals of the Eurovision Song Contest in Belgrade May 24, 2007. REUTERS/Marko Djurica (SERBIA) 

Dima Bilan of Russia performs the song "Believe" during the finals of the Eurovision Song Contest in Belgrade May 24, 2007. REUTERS/Marko Djurica (SERBIA) 

Dima Bilan of Russia performs the song "Believe" during the finals of the Eurovision Song Contest in Belgrade May 24, 2007. REUTERS/Marko Djurica (SERBIA) 

Dima Bilan of Russia performs the song "Believe" during the finals of the Eurovision Song Contest in Belgrade May 24, 2007. REUTERS/Marko Djurica (SERBIA) 

Dima Bilan of Russia performs during the first semi-final for the Eurovision Song Contest in Belgrade May 20, 2008. Russia's entry qualified for the finals on May 24. REUTERS/Ivan Milutinovic (SERBIA) 

Dima Bilan of Russia performs during first semi-final for the Eurovision Song Contest in Belgrade May 20, 2008. Russia's entry qualified for the finals on May 24. REUTERS/Ivan Milutinovic (SERBIA) 

Dima Bilan (C) of Russia performs during the rehearsals for the Eurovision Song Contest in Belgrade May 19, 2008. REUTERS/Marko Djurica (SERBIA) 

Dima Bilan of Russia prepares for rehearsals for the Eurovision Song Contest in Belgrade May 16, 2008. REUTERS/Ivan Milutinovic (SERBIA) 

Dima Bilan of Russia performs during rehearsals for the Eurovision Song Contest in Belgrade May 16, 2008. REUTERS/Ivan Milutinovic (SERBIA) 

Dima Bilan (L) of Russia performs with Olympic and World figure skating champion Evgeni Plushenko during rehearsals for the Eurovision Song Contest in Belgrade May 16, 2008. REUTERS/Ivan Milutinovic (SERBIA) 

Dima Bilan of Russia performs during rehearsals for the Eurovision Song Contest in Belgrade May 16, 2008. REUTERS/Ivan Milutinovic (SERBIA) 

Dima Bilan (L) of Russia prepares for rehearsals for the Eurovision Song Contest in Belgrade May 16, 2008. REUTERS/Ivan Milutinovic (SERBIA)