Celebrity Circuit

Actors John Cusack and Jack Black at the presentation ceremony for Cusack's Hollywood Walk of Fame star in Hollywood, Calif., on April 24, 2012.

NEXT: Jack Black

Actor Jack Black signs autographs after John Cusack received a star on the Hollywood Walk of Fame in Hollywood, Calif., on April 24, 2012.

NEXT: Mischa Barton

Actress Mischa Barton attends the official launch party of BritWeek at a private residence in Hancock Park 2012 on April 24, 2012, in Los Angeles.

NEXT: Fred Willard

Actor Fred Willard attends the official launch party of BritWeek at a private residence in Hancock Park 2012 on April 24, 2012, in Los Angeles.

NEXT: Ioan Gruffudd

Actor Ioan Gruffudd arrives at the official launch party of BritWeek at a private residence in Hancock Park 2012 on April 24, 2012, in Los Angeles.

NEXT: Patricia Heaton

Actors Doris Roberts and Patricia Heaton attend the official launch party of BritWeek at a private residence in Hancock Park 2012 on April 24, 2012, in Los Angeles.

NEXT: Jeri Ryan

Actress Jeri Ryan arrives at the official launch party of BritWeek at a private residence in Hancock Park 2012 on April 24, 2012, in Los Angeles.

NEXT: Rob Lowe

Actor Rob Lowe of the film "Knife Fight" visits the Tribeca Film Festival 2012 portrait studio at the Cadillac Tribeca Press Lounge on April 25, 2012, in New York.

NEXT: John Legend

Grammy Award-winning singer and songwriter John Legend performs on stage at the VEVO Digital Content NewFronts Event featuring John Legend at Equitable Center Theater on April 25, 2012, in New York.

NEXT: Mark Knopfler

Musician and Dire Straits founder Mark Knopfler and family attend the UK premiere of "African Cats" in aid of Tusk at BFI Southbank on April 25, 2012, in London.

NEXT: Chris Hemsworth

Actor Chris Hemsworth attends the IWC Flagship Boutique grand opening on April 25, 2012, in New York.

NEXT: Karolina Kurkova

Model Karolina Kurkova attends the IWC Flagship Boutique grand opening on April 25, 2012, in New York.

NEXT: Paulina Porizkova

Michael Loccisano/Getty Images for Good Shepherd Services

Designer/host Isaac Mizrahi and model Paulina Porizkova attend the Good Shepherd Services Spring party at the Highline Stages on April 25, 2012, in New York.

NEXT: Kate Upton

Model Kate Upton attends the game between the New York Knicks and the Los Angeles Clippers at Madison Square Garden on April 25, 2012, in New York.

NEXT: Rob Thomas

Musician Rob Thomas and his wife, Marisol Maldonado, attend the Society of Memorial Sloan-Kettering Cancer Center 5th annual Spring Ball at the Metropolitan Museum of Art on April 25, 2012, in New York.

NEXT: Glenn Close

Actresses Glenn Close and Janet McTeer attend "The Columnist" Broadway opening night at Samuel J. Friedman Theatre on April 25, 2012, in New York.

NEXT: John Lithgow

Actor John Lithgow attends "The Columnist" Broadway opening night at Samuel J. Friedman Theatre on April 25, 2012, in New York.

NEXT: John Lithgow

Actor John Lithgow attends the after party for the Broadway opening night of "The Columnist" at Copacabana on April 25, 2012, in New York.

NEXT: Grace Gummer

Actress Grace Gummer attends the after party for the Broadway opening night of "The Columnist" at Copacabana on April 25, 2012, in New York.

NEXT: Heidi Klum

From left, Coty Inc. Chief Executive Officer Bernd Beetz, model Heidi Klum and DKMS Americas Director of Special Projects Alina Suprunova attend the Heidi Klum Empire State Building Lighting Ceremony, honoring bone marrow donors on April 26, 2012, in New York.

NEXT: Queen Elizabeth II

Britain's Queen Elizabeth II walks on deck with Richard Doughty, director of Cutty Sark Trust, during a visit to the Cutty Sark in Greenwich, London, April 25, 2012. The Cutty Sark, built in 1869 was one of the last and one of the fastest tea clippers to be built. It was badly damaged by fire in May 200, but after a $80.6 million restoration project the vessel is now restored and open to the public.

NEXT: Cybill Shepherd

In this March 28, 2012 photo, actress Cybill Shepherd poses for a portrait in Los Angeles. Shepherd stars in the Lifetime series "The Client List."

NEXT: Antonio Banderas

Actor Antonio Banderas addresses the audience at the annual "Pioneer of the Year" award ceremony at CinemaCon 2012, the official convention of the National Association of Theater Owners, April 25, 2012, in Las Vegas. The award was given to DreamWorks Animation CEO Jeffrey Katzenberg.

NEXT: Antonio Banderas

Dreamworks Animation CEO and honoree Jeffrey Katzenberg, center, poses with actors Antonio Banderas and Jack Black at the annual "Pioneer of the Year" award ceremony at CinemaCon 2012, April 25, 2012, in Las Vegas.

NEXT: Cameron Diaz

Actress Cameron Diaz poses at the annual "Pioneer of the Year" award ceremony at CinemaCon 2012, the official convention of the National Association of Theater Owners, April 25, 2012, in Las Vegas.

NEXT: Cameron Diaz

Actress Cameron Diaz waves to photographers at the annual "Pioneer of the Year" award ceremony at CinemaCon 2012, the official convention of the National Association of Theater Owners, April 25, 2012, in Las Vegas.

NEXT: Jack Black

Actor Jack Black is interviewed at the annual "Pioneer of the Year" award ceremony at CinemaCon 2012, April 25, 2012, in Las Vegas.

NEXT: Mila Kunis

Actress Mila Kunis is interviewed as she arrives at a Walt Disney Studios Motion Pictures presentation to promote her upcoming film, "Oz: The Great and Powerful" at Caesars Palace during CinemaCon, the official convention of the National Association of Theatre Owners, April 24, 2012, in Las Vegas.

NEXT: Roger Ebert

Roger Ebert gestures at the 14th Annual Roger Ebert's Film Festival gala reception in Urbana, Ill., on April 25, 2012.