MTV's 'Artist To Watch' Showcase: Check Out Robert DeLong, Jessie Ware, Twenty One Pilots, And Zedd (PHOTOS)

Jessie Ware performing at MTV's "Artist To Watch" showcase. A few weeks back, we rallied around a handful of up-and-coming buzz artists for 2013 (names like Austin Mahone, The Weeknd, Joey Bada$$, and Trinidad Jame$ all made the cut). Then last night, MTV's "Artist To Watch" culminated in a special live showcase at New York's