Pentatonix Ring In 2015 With 'La La La/Latch' Mashup - Watch Here!

Pentatonix belt it out on stage during Dick Clark’s New Year’s Rockin’ Eve With Ryan Seacrest at CBS Television City on Wednesday night (December 31) in Los Angeles.

The a capella group — Avi Kaplan, Kristie Maldonado, Scott Hoying, Mitch Grassi and Kevin Olusola — performed their mashup of Sam Smith’s “La La La” and “Latch” for the annual event.

PHOTOS: Check out the latest pics of Pentatonix

In case you missed it, check out Pentatonix performing “That Thing You Do” for Tom Hanks at the Kennedy Center Honors ceremony last month.