Fifth Harmony performed an upbeat new tune on Good Morning America today, premiering single "Down" for a wildly enthusiastic audience. Lauren Jauregui, Normani Kordei, Ally Brooke, and Dinah Jane showed off their expert choreography while strutting and singing on stage.

The singers wore coordinate outfits with denim, chain, and pearl accents.

Fifth Harmony was blown away by the reception to "Down," sharing on Twitter, "Can't stop smiling!!!! Thank you for showing us love"

View Fifth Harmony's Good Morning America performance of "Down" below.

Fifth Harmony's Best Live Vocals:

Fifth Harmony Through the Years: