Who Is 'Celeb B'? The Mystery Female Who Allegedly Witnessed Diddy & Jay-Z Assault a Girl and Is Now ‘Lawyering Up’. The identity of the female celebrity who is said to have witnessed Jay-Z and Sean 'Diddy' Combs allegedly assault a 13-year-old girl remains a mystery. The incident reportedly took place at an after party following the 2000 VMAs, where the unnamed "Celebrity B" was present. The original lawsuit claimed that Combs raped the young girl while two unidentified individuals, referred to as "Celebrity A" and "Celebrity B," observed. In a recent update to the lawsuit filed in New York,...