Katy Perry patches up with Kristen Stewart

Pop singer Katy Perry mended her friendship withTwilightseries actress Kristen Stewart on her birthday. A source revealed to gossip website Just Jared that Katy donned aTwilightstyle vampire outfit to celebrate with Stewart and friends along with current boyfriend John Mayer at Los Angeles costume party in The Magic Castle on Thursday.

It so happened that Katy and Stewart have been spotted together for the first time in public after Stewart’s cheating scandal in August. A source previously said: ''Katy has been trying to be as supportive as she can for Rob. She understands what he's going thru and wants to help him. Katy has been urging Rob to go out and besillyand have fun!'' Robert didn’t attend Kristen’s birthday bash, but Katy sat close to boyfriend Mayer whom she reunited with last week after dumping him for commitment phobia.