Jordin Sparks and Jason Derulo confirm relationship

Jordin Sparks and Jason Derulo went public with their relationship at his belated birthday bash.

The 22nd birthday party was held in Hollywood on Sunday.

Derulo celebrated his actual birthday on the road in Europe last week, but he hooked up with his girlfriend and pals at Phillipe Chow in Hollywood.

And, as a birthday gift, his music managers have given him a little tme off so he can hang out with Sparks, according to People.com.