Jennifer Lopez made a surprise appearance at the Teen Choice Awards on Sunday, popping up at LA's Shrine Auditorium to present during the show. Wearing a long-sleeved lace mini, the singer and actress struck a pose backstage at the event before cracking up alongside Tyler Posey on stage. J Lo's appearance came a couple of weeks after her 45th birthday, and it's safe to say she's looking as gorgeous as ever — her green Teen Choice Awards outfit is the latest in a very long line of Jennifer's hottest moments. Check out the best pictures from Jennifer's night out, and be sure to see all the celebrities at the Teen Choice Awards!
Image Source: Getty / Kevin Winter