The "Mad Men" cast get together for the last premiere, and more in Celeb Sightings
/ 24 PHOTOS
Mary-Louise Parker
Mary-Louise Parker visits the Aveda Institute on Spring Street to show support for Aveda's Earth Month 2014 clean water initiatives in New York on April 2.
— Brian Ach / Getty Images North America
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Samuel L. Jackson
Samuel L. Jackson takes part in a SiriusXM Town Hall special with host Matt Bean, editor of Entertainment Weekly, on SiriusXM's Entertainment Weekly Radio channel in New York on April 2.
— Cindy Ord / Getty Images North America
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Tina Fey, Ellie Kemper
Tina Fey, left, and Ellie Kemper film an untitled NBC TV pilot on April 2 in New York
— Steve Sands / GC Images
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Kate Upton
Model Kate Upton is seen leaving her hotel in London on April 3.
— Neil P. Mockford / GC Images
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Orlando Bloom
Orlando Bloom is honored with a star on the Hollywood Walk of Fame in Hollywood, Calif., on April 2.
— Albert L. Ortega / Getty Images North America
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Robert De Niro
Robert De Niro attends the SeriousFun Children's Network Benefit Gala in New York on April 2.
— Andy Kropa / Invision
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Sara Bareilles
Sara Bareilles performs onstage at the SeriousFun Children's Network Gala at Cipriani 42nd Street in New York on April 2.
— Mike Coppola / Getty Images North America
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Tony Bennett
Tony Bennett performs onstage at the SeriousFun Children's Network Gala at Cipriani 42nd Street in New York on April 2.
— Larry Busacca / Getty Images North America
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Cameron Diaz
Cameron Diaz attends the UK gala premiere of "The Other Woman" at The Curzon Mayfair in London on April 2.
— Julian Parker / UK Press
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Brad Pitt
Brad Pitt is seen at LAX airport in Los Angeles on April 2.
— Gvk/bauer-griffin / GC Images
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Amy Adams, Darren Le Gallo
Amy Adams and Darren Le Gallo are seen in Los Angeles on April 2.
— Smxrf/star Max / GC Images
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Bill Hader
Bill Hader walks in New York on April 2.
— Ncp/star Max / GC Images
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Kristen Bell
Kristen Bell attends American Express #EveryDayMoments at Home Studios in New York on April 2.
— Robin Marchant / Getty Images North America
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Steve Coogan
Steve Coogan attends the "Alan Partridge" New York screening at Landmark's Sunshine Cinema on April 2.
— Brad Barket / Getty Images North America
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Carly Rae Jepsen
Carly Rae Jepsen signs autographs at "Cinderella" at the Broadway Theater in New York on April 2.
— Ray Tamarra / GC Images
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Emma Thompson
Emma Thompson is photographed leaving Locanda Locatelli restaurant in London on April 2.
— Mark Robert Milan / GC Images
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Rita Ora
Rita Ora is spotted at Novikov restaurant in London on April 2.
— Mark Robert Milan / GC Images
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Lady Gaga
Lady Gaga arrives for "Late Show with David Letterman" in New York on April 2.
— Patricia Schlein/star Max / GC Images
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Ryan Eggold
Ryan Eggold attends an evening with "The Blacklist" at Florence Gould Hall in New York on April 2.
— Dave Kotinsky / Getty Images North America
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Megan Boone
Megan Boone attends an evening with "The Blacklist" at Florence Gould Hall in New York on April 2.
— Dave Kotinsky / Getty Images North America
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James Spader
James Spader attends an evening with "The Blacklist" at Florence Gould Hall in New York on April 2.
— Dave Kotinsky / Getty Images North America
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Hilaria Thomas, Alec Baldwin
Hilaria Thomas and Alec Baldwin sit courtside for the Brooklyn Nets and New York Knicks NBA game at Madison Square Garden in New York on April 2.
— James Devaney / GC Images
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Alison Brie
Alison Brie attends the AMC celebration of the "Mad Men" season 7 premiere at ArcLight Cinemas in Hollywood, Calif., on April 2.
— Jason Merritt / Getty Images North America
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'Mad Men'
"Mad Men" stars, from left, Kiernan Shipka, Jessica Pare, Elisabeth Moss, Jon Hamm, January Jones and Christina Hendricks attend the AMC celebration of the show's season 7 premiere at ArcLight Cinemas in Hollywood, Calif., on April 2.