Jordin Sparks is dating Jason Derulo

Jordin Sparks helped Jason Derulo celebrate his birthday.

Story highlights

  • The two are officially dating, Derulo's rep confirms
  • Derulo was on tour in Europe on his actual birthday, September 21
  • He had a belated celebration at Phillipe Chow in Hollywood

Jason Derulo celebrated his 22nd birthday cuddling up to his new "It Girl," Jordin Sparks on Sunday night.

Though Derulo was on tour in Europe on his actual birthday, September 21, the two, who are officially dating, Derulo's rep tells PEOPLE, had a belated celebration at Phillipe Chow in Hollywood with friends and music industry executives.

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"Jordin would sing to him occasionally through the night in his ear if her head was nested on his shoulder," according to an eyewitness at the party. "He was excited to spend some [quality time] with Jordin in L.A. ... The two left together and continued the celebration."

Derulo's sophomore album, "Future History," is out September 27.

See full article at PEOPLE.com.