Selena Gomez parties with mystery man at Sundance Film Festival

Selena Gomez was spotted partying with a mystery man at the Sundance Film Festival.

The singer arrived at the Grey Goose party for her latest film 'Rudderless' and was seen spending most of the evening with an attractive young man with shaggy blond hair in green sweater, People Magazine reported.

Sources revealed that Gomez, who has been in an on-off relationship with Justin Bieber went right up to the new guy really early on in the evening and the pair was tucked into a corner of the venue close to the stage with several other friends.