P Diddy was taken to hospital following a wild night of partying at the Playboy mansion over the weekend.
The rapper was treated for an 'extreme migraine', according to TMZ.
Sources told the website that his entourage took him to UCLA emergency after becoming concerned about his health.
Earlier in the night, he had tweeted fasn: ''Best grammy party I ever threw!!!! Thanks for comin out yall.''
''This is actually one of the HOTTEST parties I've ever thrown!! Right now at the Playboy Mansion!!!! Let's goooooooo!!!!''
P Diddy was among a host of guests who attended celebrations to honour Whitney Houston at Clive Davis' Saturday night party, which was held at the Beverly Hilton hotel where the singer's body was found.
He told reporters at the party: 'Whenever you saw Whitney, she hit you with that beautiful smile.
'If we truly believe in God, then we should celebrate the life of Whitney Houston tonight.'