LATEST: Pop superstar Britney Spears has denied reports she enjoys lesbian sex with a string of female friends. Rap mogul OMAR 'ICEMAN' SHARIF, who is a friend of Spears' estranged husband Kevin Federline, recently accused the singer of frequently indulging in same-sex activities. But GINA ORR, who works at Spears' record label Jive, has rubbished Sharif's claims. Orr says, "It's not true." Speaking to US magazine In Touch, Sharif said, "Britney was into threesomes and girls," and added the TOXIC star often held lesbian orgies in the home she shared with Federline.