Nick Jonas has quite the dating history. Since stepping into the spotlight with the Jonas Brothers, the 26-year-old has romanced a handful of actress, models, and singers. He even dated a few of his Disney Channel costars back in the day. Seriously, who can forget the infamous "Niley" love story? And now he's officially off the mark. In December, Nick tied the knot with Priyanka Chopra. Look back at some of his most notable romances.