For the first time in five years, Ally Brooke and Dinah Jane reunite for a performance of "Have Yourself A Merry Little Christmas" from Ally's new EP "Under The Tree."

Ally Brooke talks about her fulfilling her dream of making a Christmas album and shares what it was like to reunite with one of her Fifth Harmony bandmates after five years.

The 44th Annual American Music Awards took place on November 20, 2016, at the Microsoft Theater in Los Angeles. It was broadcast on ABC and was hosted by Gigi Hadid and Jay Pharoah.