Jennifer Lopez and Rihanna strike a pose at the iHeartRadio Music Awards, Lena Dunham takes a selfie and more.
/ 28 PHOTOS
Bill Hader, Kristen Wiig
Actors Bill Hader and Kristen Wiig arrive at the premiere of "The Skeleton Twins" at San Francisco International Film Festival on May 1.
— Miikka Skaffari / Getty Images North America
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Zooey Deschanel
Actress Zooey Deschanel arrives at the Film Society Awards Night at San Francisco International Film Festival on May 1.
— Miikka Skaffari / Getty Images North America
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Kenny Chesney
Singer Kenny Chesney on the beach on May 1 in Los Angeles.
— Bauer-griffin / GC Images
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Mariah Carey
Singer Mariah Carey strikes a pose on May 1 in New York.
— Demis Maryannakis/star Max / GC Images
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Jake Gyllenhaal
Actor Jake Gyllenhaal attends James Baldwin's 1962 novel "Another Country" discussion at Columbia University on May 1 in New York.
— John Lamparski / Getty Images North America
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Lyle Lovett
Singer Lyle Lovett performs during the 2014 New Orleans Jazz & Heritage Festival at Fair Grounds Race Course on May 1 in New Orleans.
— Tim Mosenfelder / Getty Images North America
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Jennifer Lopez, Rihanna
Singers Jennifer Lopez and Rihanna appear backstage at the 2014 iHeartRadio Music Awards held at The Shrine Auditorium in Los Angeles on May 1.
— Kevin Mazur / Getty Images North America
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Luke Bryan, Blake Shelton
Recording artists Luke Bryan and Blake Shelton get close at the 2014 iHeartRadio Music Awards held at The Shrine Auditorium in Los Angeles on May 1.
— Kevin Mazur / Getty Images North America
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Pharrell Williams, Gwen Stefani
Singers Pharrell Williams and Gwen Stefani at the 2014 iHeartRadio Music Awards held at The Shrine Auditorium in Los Angeles on May 1.
— Jason Merritt / Getty Images North America
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Ariana Grande, Hilary Duff
Singer Ariana Grande and actress Hilary Duff in the audience at the 2014 iHeartRadio Music Awards held at The Shrine Auditorium in Los Angeles on May 1.
— Kevin Mazur / Getty Images North America
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Jared Leto
Actor Jared Leto arrives at the 2014 iHeartRadio Music Awards held at The Shrine Auditorium in Los Angeles on May 1.
— Frederick M. Brown / Getty Images North America
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Corey Feldman
Actor Corey Feldman arrives at the 2014 iHeartRadio Music Awards held at The Shrine Auditorium in Los Angeles on May 1.
— Mario Anzuoni / X90045
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Shakira
Singer Shakira arrives at the 2014 iHeartRadio Music Awards held at The Shrine Auditorium in Los Angeles on May 1.
— Frederick M. Brown / Getty Images North America
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Pitbull
Recording artist Pitbull performs onstage during the 2014 iHeartRadio Music Awards held at The Shrine Auditorium in Los Angeles on May 1.
— Kevin Mazur / Getty Images North America
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Lena Dunham
Actress Lena Dunham films an episode of "Girls" in New York on May 1.
— Steve Sands / GC Images
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Cindy Crawford
Model Cindy Crawford arrives at the "Return to Zero" premiere at Paramount Theater in Hollywood, Calif., on May 1.
— Jerod Harris / Getty Images North America
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Minnie Driver
Actress Minnie Driver arrives at the "Return to Zero" premiere at Paramount Theater in Hollywood, Calif., on May 1.
— Jerod Harris / Getty Images North America
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Hailee Steinfeld, Asa Butterfield
Actors Hailee Steinfeld and Asa Butterfield on the set of "Ten Thousand Saints" in Tompkins Square Park in New York on May 1.
— Raymond Hall / GC Images
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Nichelle Nichols, George Takei
Actors Nichelle Nichols and George Takei attend the 2014 LA Asian Pacific Film Festival opening night for :To Be Takei" at Directors Guild of America in Los Angeles on May 1.
— Imeh Akpanudosen / Getty Images North America
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Debbie Gibson
Singer Debbie Gibson performs at the 2014 Great Imitator Masquerade Ball at Pier Sixty at Chelsea Piers in New York on May 1.
— Laura Cavanaugh / Getty Images North America
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Chris Brown
Singer Chris Brown appears in court for a probation violation hearing with his attorney Mark Geragos in Los Angeles Superior Court on May 1.
— Kevork Djansezian / Getty Images North America
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Jon Hamm
Actor Jon Hamm attends the premiere after party of "God's Pocket" at The Church Key in Los Angeles on May 1.
— Angela Weiss / Getty Images North America
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Christina Hendricks and Geoffrey Arend
Actors Christina Hendricks and Geoffrey Arend attend the premiere after party of "God's Pocket" at The Church Key in Los Angeles on May 1.
— Richard Shotwell / Invision
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John Slattery, Kiernan Shipka
Actors John Slattery and Kiernan Shipka attend the premiere after party of "God's Pocket" at The Church Key in Los Angeles on May 1.
— Angela Weiss / Getty Images North America
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Elisabeth Moss
Actress Elisabeth Moss attends the premiere after party of "God's Pocke" at The Church Key in Los Angeles on May 1.
— Valerie Macon / Getty Images North America
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John Gallagher Jr.
Actor John Gallagher Jr. attends the premiere after party of "God's Pocket" at The Church Key in Los Angeles on May 1.
— Valerie Macon / Getty Images North America
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Kiefer Sutherland
Actor Kiefer Sutherland says hello in New York on May 1.
— Ncp/star Max / GC Images
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Katie Couric, Adrian Grenier
Talk-show host Katie Couric and actor Adrian Grenier attend the React to Film Awards on May 1 in New York.