Celebrity Circuit

Actor and philanthropist Sean Penn chats with former Russian President Mikhail Gorbachev, during a meeting with students at Frederick Von Steuben Metropolitan Science Center as part of the World Summit of Nobel Peace Laureates on April 23, 2012, in Chicago.

NEXT: Adrien Brody

Vittorio Zunino Celotto/Getty Images for Audemars Piguet

Actor Adrien Brody and guest attend the "Royal Oak 40 Years: From Avant-Garde to Icon" party at the Old Fashion Cafe on April 19, 2012, in Milan, Italy.

NEXT: Linda Perry and Sara Gilbert

Musician Linda Perry and actress Sara Gilbert arrive at the 23rd Annual GLAAD Media Awards presented by Ketel One and Wells Fargo held at Westin Bonaventure Hotel on April 21, 2012, in Los Angeles.

NEXT: Malin Ackerman

Actress Malin Ackerman of the film "The Giant Mechanical Man" visits the Tribeca Film Festival 2012 portrait studio at the Cadillac Tribeca Press Lounge on April 23, 2012, in New York.

NEXT: Jeremy Renner

Actor Jeremy Renner arrives for the red carpet of 2nd Beijing International Film Festival at China National Convention Center on April 23, 2012, in Beijing.

NEXT: Kim Cattrall

Actress Kim Cattrall attends the Women's Filmmaker Brunch during the 2012 Tribeca Film Festival on April 23, 2012, in New York.

NEXT: Leelee Sobieski

Actress Leelee Sobieski attends the Women's Filmmaker Brunch during the 2012 Tribeca Film Festival on April 23, 2012, in New York.

NEXT: King Carl XVI Gustaf and Queen Silvia

AP Photo/PA, Scanpix Sweden, Janerik Henriksson

Finland's President Sauli Niinisto, 2nd right, and his wife Jenni Haukio, 2nd left, are flanked by Sweden's King Carl XVI Gustaf and Queen Silvia, as they pose prior to the dinner at the Royal Palace in Stockholm, Sweden, April 17, 2012.

NEXT: Olivia Wilde

Actress Olivia Wilde attends the Tribeca Film Festival opening night premiere of "The Five-Year Engagement" at the Ziegfeld Theatre on April 18, 2012, in New York.

NEXT: Emily Blunt

Actress Emily Blunt attends the Tribeca Film Festival opening night premiere of "The Five-Year Engagement" at the Ziegfeld Theatre on April 18, 2012, in New York.

NEXT: Dakota Johnson

Actress Dakota Johnson attends the Tribeca Film Festival opening night premiere of "The Five-Year Engagement" at the Ziegfeld Theatre on April 18, 2012, in New York.

NEXT: Camilla Belle

Actress Camilla Belle attends the Tribeca Film Festival opening night premiere of "The Five-Year Engagement" at the Ziegfeld Theatre on April 18, 2012, in New York.

NEXT: Jason Segel

Actor Jason Segel attends the Tribeca Film Festival opening night premiere of "The Five-Year Engagement" at the Ziegfeld Theatre on April 18, 2012, in New York.

NEXT: Rita Wilson

Actress Rita Wilson arrives at Entertainment Industry Foundation's "Unforgettable Evening" in Beverly Hills, Calif., April 18, 2012. Unforgettable Evening benefits the EIF's Women's Cancer Research Fund.

NEXT: Lisa Kudrow

Actress Lisa Kudrow arrives at Entertainment Industry Foundation's "Unforgettable Evening" in Beverly Hills, Calif., April 18, 2012.

NEXT: Busy Phillips

Actress Busy Phillipps, recipient of "The Cool Mom" style award, poses at the Us Weekly Hot Hollywood Style issue event, April 17, 2012, in West Hollywood, Calif.

NEXT: Kellan Lutz

Actor Kellan Lutz, recipient of "The Natural" style award, poses at the Us Weekly Hot Hollywood Style issue event, April 17, 2012, in West Hollywood, Calif.

NEXT: Milla Jovovich

Ukranian-born actress Milla Jovovich poses for the press during a photocall to promote her latest film, "Resident Evil: Retribution" at the Summer of Sony 4 Spring Edition in Cancun, Mexico, April 19, 2012.

NEXT: Angela Lansbury

Actress Angela Lansbury gestures as she is honored at the Ellis Island Family Heritage Awards on Ellis Island on April 19, 2012.

NEXT: Lotte Verbeek

Actress Lotte Verbeek attends a special screening of "The Lucky One" hosted by The Cinema Society and Men's Health, at the Crosby Street Hotel on April 19, 2012, in New York.

NEXT: Ashley Tisdale

Actress Ashley Tisdale arrives at the premiere of "The Lucky One" in Los Angeles, April 16, 2012.

NEXT: Zac Efron

From left, actress Taylor Schilling, actor Zac Efron, actress Blythe Danner and director Scott Hicks attend a special screening of "The Lucky One" hosted by The Cinema Society and Men's Health, at the Crosby Street Hotel on April 19, 2012, in New York.

NEXT: Doutzen Kroes

Model Doutzen Kroes attends a special screening of "The Lucky One" hosted by The Cinema Society and Men's Health, at the Crosby Street Hotel on April 19, 2012, in New York.

NEXT: Olivia Munn

Actress Olivia Munn arrives at Mercedes Benz's Transmission LA: AV CLUB art exhibit at The Geffen Contemporary at MOCA in Los Angeles, April 19, 2012. The exhibit was curated by Mike D of the Beastie Boys.

NEXT: Joy Bryant

Actress Joy Bryant arrives at Mercedes Benz's Transmission LA: AV CLUB art exhibit at The Geffen Contemporary at MOCA in Los Angeles, April 19, 2012.

NEXT: Oliver Hudson

Actors Oliver Hudson and Bianca Kajlich arrive at Mercedes Benz's Transmission LA: AV CLUB art exhibit at The Geffen Contemporary at MOCA in Los Angeles, April 19, 2012.