According to the British television station ITV, Kelly Osbourne revealed that there was a member of her family that had AIDS.
At a function organized by Body & Soul at Koko in Camden, the star confessed the evening was for her because one of her family members was ill.
Osbourne broke down in tears while on stage.
Osbourne, 22, became better known after her participation in the reality series The Osbournes, with her father Ozzy Osbourne.