Bieber surprises best friend with car

Teen superstar Justin Bieber treated a childhood pal to an extra special Christmas present - a convertible Ford Mustang sports car.

The singer surprised Ryan Butler by presenting him with the keys to the two-door vehicle.

"Justin got me a present. swag!!!" Butler tweeted along with a photo of the lavish gift.

Bieber and Butler grew up together in Stratford in Ontario, Canada.

Meanwhile, the pop star celebrated the holidays at home in his native Canada with his family.

He shared a few snaps of himself with his half-siblings Jaxon, two, and Jazmyn, three, and wrote: "Spending time with family - feels really good. Going to get to see these smiles on Christmas.

He later added: "Merry Christmas from the family!"