Why the Billboard Music Awards Are Always a Must Watch
9 of 13
Mandy Moore Decided to Wear This in 1999
Let's just say "It's so '90s," and leave it at that.
Getty / Jeff Kravitz
Billboard Music Awards
What’s Your Reaction?
Thanks for your reaction
Don’t forget to share this with your friends!
Sign up with
By signing up, I agree to the
and to receive emails from POPSUGAR.