Pop star Justin Bieber takes a selfie as he has a beauty mask applied on Monday, February 15.
Actor and singer Tyrese Gibson, left, takes a selfie with rapper Kendrick Lamar at the Grammy Awards on Monday, February 15. "All of our success is dedicated to the future generations out of South Central LA," Gibson said on Instagram. "Our success represents what's POSSIBLE!!!!!!!!!!!"
U.S. President Barack Obama poses with Ellen DeGeneres after she interviewed him on Thursday, February 11. "Selfie with the Chief," she tweeted.
People in Barcelona, Spain, attend a light show in the courtyard of the Picasso Museum on Friday, February 12.
A man takes a selfie Thursday, February 11, as Iranian President Hassan Rouhani -- wearing the white turban -- attends a rally commemorating the anniversary of the Iranian revolution.
"I know it's 4 o'clock but I'm still in my Morning Phase," singer Lady Gaga said on Thursday, February 11.
Actress Carrie Fisher tweeted several selfies with actor Tom Cruise as she attended the BAFTA Awards on Sunday, February 14. "Took my first TRUE selfie with Tom Cruise ... So down to earth I'll be wiping this dirt off of me for WEEKS," she said.
"Tonight Show" host Jimmy Fallon takes a selfie with actress Penelope Cruz during an interview on Wednesday, February 10.
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Is that a smile on Bill Belichick? The usually gruff football coach appears happy in a selfie taken by his girlfriend, Linda Holliday, on Saturday, February 13. "Stay warm & cozy on this Valentine's weekend!" she said on Instagram.
Singers Ed Sheeran, left, and Bruno Mars take a photo together after the Grammy Awards on Monday, February 15. Sheeran won song of the year for "Thinking Out Loud." "Uptown Funk," Mars' collaboration with Mark Ronson, won record of the year. See other major winners
Actor Anthony Anderson snaps a selfie with basketball player Kobe Bryant during the NBA All-Star Game on Sunday, February 14.
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Fashion designer Diane von Furstenberg, center, is surrounded by famous models in this elevator selfie posted by Irina Shayk, far right. Also appearing in the photo, from left, are Jourdan Dunn, Karlie Kloss, Lily Aldridge, Kendall Jenner and Gigi Hadid.
A couple takes a selfie in front of a heart-shaped bouquet display in Islamabad, Pakistan, on Valentine's Day.
A Kansas basketball fan takes a selfie with the university's mascot, Big Jay, during a home game on Monday, February 15.
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Actor Rob Lowe takes a selfie at the Snowbird Mountain Resort in Utah on Wednesday, February 10. "Back to the spot of many adventures," he said on Instagram. "Been hitting this mountain since 1976."
Actress Anna Kendrick quoted Beyonce's new song "Formation" in this poolside selfie on Wednesday, February 10. "You know you that bitch when you cause all this conversation," Kendrick wrote on Instagram.
Democratic presidential candidate Hillary Clinton takes a selfie with supporters during a rally in Las Vegas on Sunday, February 14.
James Corden, host of "The Late Late Show," takes a selfie with Super Bowl MVP Von Miller, right, on Wednesday, February 10.
Actress Sofia Vergara snaps a photo on the set of "Modern Family" on Friday, February 12.
Mexico soccer fans take a selfie before the start of a match in Miami on Wednesday, February 10.