Britney Spears & BF -- Looking Belly Good in Hawaii
8/25/2010 8:15 AM PT

Fresh off her guest stint on "Glee" -- a bikini-clad Britney Spears hit up the beach in Hawaii today ... showing off her ripped boyfriend and her impressively toned tummy.

Fresh off her guest stint on "Glee" -- a bikini-clad Britney Spears hit up the beach in Hawaii today ... showing off her ripped boyfriend and her impressively toned tummy.