Joe Jonas Performs With Brother Nick at Tampa's Jingle Ball 2015

Nick Jonas joins older brother Joe Jonas on stage for a surprise performance at 93.3 FLZ’s Jingle Ball 2015 held at Amalie Arena on Saturday night (December 19) in Tampa Bay, Fla.

The siblings joined Joe‘s band DNCE — Cole Whittle, JinJoo Lee and Jack Lawless — on stage after the band performed their sets at the main event and the pre-show.

PHOTOS: Check out the latest pics of Nick Jonas

The night before, DNCE hosted the after party for the Y100 Jingle Ball at Wynwood Walls in Miami. Guests included 5 Seconds of Summer‘s Calum Hood, Ashton Irwin, and Luke Hemmings, plus Hailee Steinfeld, Fifth Harmony, Becky G and more.

FYI: Nick is wearing Topman jeans.

30+ pictures inside of Nick Jonas and DNCE…