Bieber's tribute to Usher's stepson
Justin Bieber has led the celebrity tributes to Usher's stepson Kile Glover.
The pop star, who won four gongs at the Teen Choice Awards in Los Angeles at the weekend, tweeted "RIP KILE" for the 11-year-old, who died on Saturday, two weeks after he was critically injured in a jet ski accident.
Kile - the son of Usher's ex-wife Tameka Foster from her previous marriage to TV executive Ryan Glover - had been left in a coma after suffering a brain injury in the accident.
Justin, who Usher signed to his RBMG label after he was spotted by a talent manager on YouTube, was among the stars paying tribute to Kile on Twitter.
Justin's manager Scooter Braun wrote: "My prayers go out to Ryan Glover and Tameka Raymond. rip kile," while fellow rapper Drake tweeted: "RIP Kile. My heart goes out to @UsherRaymondIV , @TamekaRaymond and the rest of his family. Stay strong."
X Factor judge Louis Walsh wrote: "RIP Kile Glover, Usher's 11 year old step-son."
RnB crooner Eric Benet tweeted: "Sending my deepest condolences to Usher and Tameka Raymond..and to family and friends of Kile Glover #RIPKile", and Michael Jackson's daughter Paris wrote: "RIP Kile <|3 <|3 <|3 I'm so so sorry for your loss @UsherRaymondIV )':"
Actress Taraji P Henson, Outkast's Big Boi and rapper MC Hammer also sent their condolences via Twitter.