Polish and Ukrainian celebrities play a friendly soccer match at the National Stadium in Warsaw, Poland, Sunday, April 29, 2012. The game was the last event at the site before the opening of the Euro 2012 soccer championships, which will open in this stadium. (AP Photo/Alik Keplicz)

Cheerleaders dressed in Ukrainian national colors dance as Polish and Ukrainian celebrities play a friendly soccer match at the National Stadium in Warsaw, Poland, Sunday, April 29, 2012. The game was the last event at the site before the opening of the Euro 2012 soccer championships, which will open in this stadium. (AP Photo/Alik Keplicz)

Polish and Ukrainian celebrities play a friendly soccer match at the National Stadium in Warsaw, Poland, Sunday, April 29, 2012. The game was the last event at the site before the opening of the Euro 2012 soccer championships, which will open in this stadium. (AP Photo/Alik Keplicz)

Cheerleaders dressed in Ukrainian national colors dance as Polish and Ukrainian celebrities play a friendly soccer match at the National Stadium in Warsaw, Poland, Sunday, April 29, 2012. The game was the last event at the site before the opening of the Euro 2012 soccer championships, which will open in this stadium. (AP Photo/Alik Keplicz)

Members of the Ukrainian team react after Polish and Ukrainian celebrities played a friendly soccer match at the National Stadium in Warsaw, Poland, Sunday, April 29, 2012. The game was the last event at the site before the opening of the Euro 2012 soccer championships, which will open in this stadium. (AP Photo/Alik Keplicz)

Actress Sofia Vergara (C), Kim Kardashian (R) and Kris Jenner (L) pose for pictures as they attend the White House Correspondents Association annual dinner in Washington April 28, 2012. REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS ENTERTAINMENT MEDIA)

FILE - In this Sept. 20, 2011 file photo, Tony Award winning actress Nikki James, from "The Book of Mormon," attends the "HTC Serves Up NYC" product launch event at Highline Stages in New York. James and Norm Lewis from ?Porgy and Bess,? are slated to help celebrate The New York Pops' 29th birthday. Organizers of the April 30 gala said Tuesday that James and Lewis will join such celebrities as Boyd Gaines, Brian d'Arcy James, Marin Mazzie, Andrew Rannells and Rachel York for the festivities at Carnegie Hall. (AP Photo/Evan Agostini, file)

A worker collects garbage under a banner showing Vietnamese celebrities at the Hale Lake in Hanoi April 17, 2012. REUTERS/Tuan DC (VIETNAM - Tags: ENVIRONMENT SOCIETY)

FILE - In this May 3, 2008 file photo, outgoing mayor of London, the Labour Party candidate Ken Livingstone, left, waves after being defeated in the London mayoral elections by Conservative Party candidate Boris Johnson as the results are announced at City Hall in London. One sports an unruly blond mop, spouts Latin aphorisms and loves to ride his bicycle. The other is a neat, newt-loving socialist who prefers to travel by subway. Their contest is an Olympic-size grudge match. Meet Boris and Ken - hometown celebrities known universally by their first names. When the 2012 London Games open on July 27, one of them will stand before billions of television viewers as mayor of the host city. (AP Photo/Matt Dunham, File)

FILE - In this Dec. 2, 2011 file photo, actress Jessica Alba arrives at the March of Dimes 6th Annual Celebration of Babies Luncheon in Beverly Hills, Calif. Alba is among the celebrities who will be heard reciting poetry this month on Disney Channel and Disney Junior as part of its "A Poem Is ..." series in connection with National Poetry Month. (AP Photo/Matt Sayles, file)