Harry Styles celebrates 20th birthday with Kendall Jenner at Californian clifftop mansion

Harry Styles celebrated his 20th birthday with Kendall Jenner, who is half sister of ­reality TV star Kim Kardashian, at the 5-million-pound Californian clifftop mansion.

The 18-year-old, who has been dating the singer for three months after they met at a TV studio in LA, has been given the run of her dad Bruce Jenner's clifftop mansion, the Mirror reported.

A source has revealed that the One Direction heartthrob is also likely to be celebrating his birthday later this month at a second bash in London.