Martha Stewart Can't Wait To 'Teach' Justin Bieber Things At His Roast

Justin Bieber is all smiles while flirting with a group of women by the pool at the Fontainebleu Hotel in Miami Beach, Fla., on Friday afternoon (March 6). The 21-year-old singer is set to be roasted on Comedy Central later this month and Martha Stewart is excited! PHOTOS: Check out the latest pics of Justin