
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.

A selfie posted to the Instagram account of Miss Israel, Doron Matalon, made headlines this past week because she was next to Miss Lebanon, Saly Greige, at a Miss Universe charity event in Miami. Officially, Israel and Lebanon are still at war, even though there have been no large-scale hostilities on the border since 2006. The image ignited a wide-ranging debate in the comments of the picture, and Greige later distanced herself from it, saying she was posing with Miss Japan and Miss Slovenia when "suddenly Miss Israel jumped in, took a selfie, and put it on her social media." Regarding the controversy, Matalon said, "It doesn't surprise me, but it still makes me sad."

Actor David Oyelowo takes a selfie with a fan in Selma, Alabama, at a screening of the movie "Selma" on Sunday, January 18.

Actor Ben Savage, top, tweeted a selfie with his former "Boy Meets World" co-stars on Wednesday, January 14. In front of Savage, from left, are William Daniels, Danielle Fishel and Rider Strong. Savage called it "The Feeny Crew," a reference to Daniels' character on the television show.

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.

"Such an amazing day... The sky is the limit!" wrote skier Lindsey Vonn in this selfie she posted to Instagram on Monday, January 19. Vonn won her 63rd World Cup race that day in Cortina d'Ampezzo, Italy, becoming the most successful female skier in World Cup history.

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.

Actress Gina Rodriguez shows off her character's baby bump from the show "Jane the Virgin" on Friday, January 16.

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.

Pop star Katy Perry shared an unusual look in this selfie she posted to Instagram on Thursday, January 15. "IRL facetune," she wrote, "#preppinforpuppybowl #swag #bringswagbackin2k15." Perry will be performing at the Super Bowl halftime show on February 1, going head to head with Animal Planet's "Puppy Bowl" counterprogramming.

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.

Actress Michelle Trachtenberg takes a selfie in costume for the television show "Sleepy Hollow" on Tuesday, January 20. Trachtenberg is playing Abigail Adams, former first lady of the United States.

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.

Marc Coma uses a selfie stick after winning the motorcycle class of the Dakar Rally, which ended Saturday, January 17, in Buenos Aires. See 20 selfies from last week