Pentatonix

PTX's Kirstin Maldonado provides her picks for the perfect Christmas gift this holiday season.

From Beyonce to Carrie Underwood -- which pop-leaning artist are you most excited to see perform at tonight's 2016 CMA Awards?

Congratulations are in order to Kirstin Maldonado of Pentatonix, who announced her engagement over the weekend.

The a cappella group Pentatonix won season three of 'The Sing Off' in 2011 and now they are huge on YouTube. Their newest video is called "The Evolution of Michael Jackson". They do 25 different songs in the order they were released.