Look at me! 21 selfies of the week

Argentina soccer star Lionel Messi, right, posted this locker-room selfie on Tuesday, July 1, after he and his teammates defeated Switzerland to advance to the quarterfinals of the World Cup. "Nobody said it was an easy game," Messi said <a href='http://instagram.com/p/p63jrOPMzQ/' target='_blank'>on his Instagram account</a>. "Another big step." Next to Messi in this selfie are Ezequiel Lavezzi, center, and Angel Di Maria, who scored the game's only goal.

Argentina soccer star Lionel Messi, right, posted this locker-room selfie on Tuesday, July 1, after he and his teammates defeated Switzerland to advance to the quarterfinals of the World Cup. "Nobody said it was an easy game," Messi said on his Instagram account. "Another big step." Next to Messi in this selfie are Ezequiel Lavezzi, center, and Angel Di Maria, who scored the game's only goal.