Selena Gomez parties with mystery man

Los Angeles, Jan 22 : Singer Selena Gomez was partying with a mystery man at the Sundance Film Festival.

The "Come & Get It" singer, who was recently thought to have reunited with her ex-boyfriend Justin Bieber, appeared at the festival to promote her new film "Rudderless" Tuesday night and attended the Grey Goose party alongside a man described as having shaggy blond hair and wearing a green sweater.

"She went right up to him really early on in the evening," people.com quoted a source as saying.

Gomez was then seen getting very close to the mystery man.