Justin Bieber buys Superbike

Justin Bieber has splashed out $20,000 on a limited edition motorcycle.

The 18-year-old singer - who doesn't have a motorcycle license - chose the arctic white silk Ducati Superbike 848 EVO from a Los Angeles dealership a few weeks ago on the recommendation of his friend and mentor Usher, who has the same model in black, and took delivery of the vehicle on Thursday April 19, TMZ.com reports.

Justin - who is dating Selena Gomez - already has a fleet of expensive cars, with the most recent addition being an 18th birthday gift from Usher and his manager Scooter Braun.

During an interview with Ellen DeGeneres, Justin was presented with the luxury sports hybrid vehicle, a Fisker Karma, and was stunned by the $100,000 gift.

He said: ''What? That's for me? ... Wow. Is it all electric? This is amazing.''

He also owns a $160,000 Range Rover, a Batman-themed customised Cadillac and a Ferrari.

However, the star has previously admitted he has always wanted a motorcycle.

Speaking in 2010, he said: ''I got a car for my birthday, Usher helped buy it. Maybe he will get me another car for Christmas.

''My mom is trying to figure out something to get me. I want a motorcycle. Not a big one, a little pocket one, a small miniature one which is really cool. I do like fast cars.''