At the 55th Annual GRAMMY Awards on Sunday, Katy Perry looked beautiful with her long black center parted and worn down in a sleek and subdued style.
The pop singer wore a gorgeous light green Gucci gown with jewel and beaded detail at the neckline and a peek-a-boo cleavage shot.
Check out more celebrity hairstyles here >>
Photos: Adriana M. Barraza/WENN.com

