Marcus Jordan ain't missin' his ex Larsa Pippen one bit ... 'cause he's hangin' with his Larsa lookalike and they're turning up the heat in the hot Florida sun.
Michael Jordan's son and model Ashley Stevenson are definitely an item after they were first seen out together last year following Marcus' break up with Larsa.
SUMMER LOVIN' BACKGRID
Check out photos and video, obtained by TMZ, which show Marcus and Ashley in major PDA mode while kicking back at the beach in Miami Saturday.