Peter Rowe, right, takes a selfie with friends Jacob Kerstan, left, Andrew Wright, third from left, and actor Sylvester Stallone in Philadelphia on Saturday, January 17. Rowe said the three friends had just finished racing up the steps at the city's Museum of Art, where Stallone filmed the classic training scene in "Rocky," and discovered the actor at the top of the steps.
Actor David Oyelowo takes a selfie with a fan in Selma, Alabama, at a screening of the movie "Selma" on Sunday, January 18.
At the Critics' Choice Movie Awards, actress Reese Witherspoon snaps a selfie with husband Jim Toth, left, and show host Michael Strahan on Thursday, January 15.
Girls in traditional attire pose for a photo before the Discover Thainess parade in Bangkok, Thailand, on Wednesday, January 14.
Actor Russell Crowe takes selfies with a fan in Seoul, South Korea, during a red carpet event for "The Water Diviner" on Monday, January 19. Crowe directed the film.
Maryland Rep. Sheree Sample-Hughes gets a selfie with her son Noah as she sits in her seat on the House of Delegates floor Wednesday, January 14, in Annapolis, Maryland. It was the first day of the legislative session.
Fans of the NFL's Seattle Seahawks -- aka the 12th Man -- take photos together before the NFC Championship on Sunday, January 18. The Seahawks defeated the Green Bay Packers to advance to the Super Bowl for the second straight season.
UFC competitor Conor McGregor, right, squeezes in with fans in Boston on Friday, January 16. McGregor won the main event at UFC Fight Night two days later.
Tourists use a selfie stick as they pose for a photo near Beijing's Kunming Lake on Wednesday, January 14.
A family takes a selfie in Manila, Philippines, on Saturday, January 17, ahead of a Mass that would be officiated by Pope Francis.
Rapper Iggy Azalea takes selfies with fans after stopping for gas in Los Angeles on Friday, January 16.
U.S. Secretary of State John Kerry poses with a boy after giving a speech at Paris' city hall on Friday, January 16.
Gun owners pose for a selfie as they display their weapons in the upper gallery of Washington's House chamber Thursday, January 15, in Olympia, Washington. The House was not in session when the photo was taken. Members of the group went to the chamber after a protest outside the legislative building. They protested against Initiative 594, which requires background checks on almost all gun sales and transfers.
People take a picture Thursday, January 15, in front of the Lusail Multipurpose Hall, an arena near Doha, Qatar, that's hosting games for the Handball World Championship.