This week Sean 'Diddy' Combs' long-time on-again off-again girlfriend Cassie Ventura debuted her new man, personal trainer Alex Fine [click here if you missed that].
Insiders claim Diddy is actually responsible for their hook-up...
According to reports Diddy hired Alex as Cassie's personal trainer and that's how they met.
The source claims Diddy is livid about their hook-up and is convinced Cassie was cheating on him with Alex but sources close to Cassie insist she didn't start messing with Alex until after her break-up.
