Justin Bieber and Selena pucker up

Los Angeles - Justin Bieber and Selena Gomez shared a kiss at the Vanity Fair Oscars after-party.

The pop megastar and the singer-and-actress - who have been rumoured to be dating for several weeks - arrived together at the exclusive bash at the Sunset Tower Hotel in Los Angeles, and were later pictured together in a photo booth kissing and cuddling, seemingly confirming their relationship.

The pair even matched their outfits for the occasion, with 18-year-old Selena in a floor-length red dress while Justin - who turns 17 on Tuesday accessorised with the same colour pocket handkerchief.

Although the pair are yet to admit they are together, Disney star Selena recently confessed she was in love with the Baby hitmaker.

She said: "I love him. He's been in my life a very long time. He's my friend.

"I think it's awesome people are interested - I don't understand why."

Justin - who recently released his debut movie Justin Bieber: Never Say Never - and Selena were not the only pair to enjoy the party.

Jake Gyllenhaal and his ex-girlfriend Taylor Swift - who separated in December - were spotted chatting.

According to the Washington Post newspaper, the pair were seen talking near the bathrooms, and were overhead talking about their feelings for each other.

However, the Love Story singer left alone.