
Pop star Selena Gomez takes a selfie at New York's Rockefeller Center, where she was performing for the "Today" show on Monday, October 12.

Actors Breckin Meyer, left, and Seth Green take a photo together while signing autographs at New York Comic Con on Saturday, October 10.

People in Incheon, South Korea, take selfies with recording artist Kenny G during the opening ceremony of the Presidents Cup golf tournament on Wednesday, October 7.

"It's nice when you can catch up with your friends," said actor Colin Hanks as he visited NPR on Saturday, October 10.

Cast members from "The Walking Dead" take selfies together at the Season 6 premiere event in New York on Friday, October 9.

Actor Hugh Sheridan snaps a photo with actress Rebel Wilson and Australia's Minister of Foreign Affairs, Julie Bishop, while attending Los Angeles Fashion Week on Thursday, October 8. Sheridan and Wilson are both from Australia, and they were watching runway shows featuring Australian designers.

Another Australian, actress Nicky Whelan, appears in a selfie with actor John Stamos as they visit a Halloween attraction at Universal Studios Hollywood on Sunday, October 11. "Super scary night with a weird guy," Stamos said on Instagram.

Basketball star LeBron James takes a photo with a young fan after an NBA preseason game in Cincinnati on Wednesday, October 7.

"Let's go @Cubs," tweeted former football star Donovan McNabb before the Chicago Cubs' playoff game on Friday, October 9.

Actress Mindy Kaling and her "Mindy Project" co-star Ike Barinholtz make silly faces on Wednesday, October 7. "Beautiful cool people," Kaling said on Instagram.

People dressed as Batman and Robin take a selfie during New York Comic Con on Friday, October 9.

Actor Justin Baldoni takes an on-set selfie with his "Jane the Virgin" co-stars on Monday, October 12. He wrote on Instagram that they were getting ready to watch the show's Season 2 premiere.

Actor Bryan Cranston stops for a selfie with a man dressed as Walter White, Cranston's iconic character from "Breaking Bad," during the London Film Festival on Thursday, October 8.

From left, actress Cate Blanchett, journalist Dan Rather and actor Dennis Quaid attend a screening of the movie "Truth" on Wednesday, October 7. Blanchett and Quaid star in the movie. Rather is played by actor Robert Redford.

"I am standing with @ChimeForChange and @MySpecialK_UK to provide women everywhere with access to education, health & justice," actress Salma Hayek said on Instagram on Tuesday, October 13.

A model takes a selfie before a show at Congo Fashion Week on Thursday, October 8.

Pop star Justin Bieber and television personality Kourtney Kardashian wear 3-D glasses as they hang out at Universal Studios Hollywood on Saturday, October 10. Bieber posted the selfie to his Instagram account.

Actress Kristin Chenoweth took a selfie aboard a plane on Sunday, October 11. "Another plane. Gulp. Don't get sick kc!" she said on Instagram.

Craig Wiseman takes a selfie with fellow songwriters Rosanne Cash and Even Stevens at the Nashville Songwriters Hall of Fame Dinner on Sunday, October 11. The three were inducted into the Hall of Fame along with Mark James, not pictured.

Actress Sarah Silverman smooches a fan's dog Friday, October 9, at the "I Smile Back" premiere in Mill Valley, California.

A woman uses a selfie stick at Luoji Mountain after a heavy snow in Puge County, China, on Monday, October 12.

Palestinian protesters take a selfie during clashes with Israeli security forces near the Jewish settlement of Beit El, just north of the West Bank city of Ramallah, on Monday, October 12.

Hall of Fame golfer Phil Mickelson takes a photo with his wife, Amy, and former U.S. President George W. Bush on Wednesday, October 7. "Lefty is a righty when it comes to selfies," the PGA Tour tweeted.

Goldy Gopher, mascot of the University of Minnesota, takes a selfie with fans at a football game in West Lafayette, Indiana, on Saturday, October 10.

Republican presidential candidate Donald Trump stops for a selfie during a campaign rally in Norcross, Georgia, on Saturday, October 10.

People take selfies in pit lane as they visit a race track in Sochi, Russia, on Thursday, October 8. The track hosted a Formula One race over the weekend. See 26 selfies from last week