Although the words to Katy Perry's new hit "Part of Me" assume to be demography a arrant dig at her ex-husband Russell Brand, sources say the pop angel isn't gluttonous animus - it's adaptation she's after.

"Katy's been aggravating to get him back!" a abutting Perry pal tells Us Weekly, adding, "She's a absent body appropriate now."

And a acquaintance of the 27-year-old accompanist says the change of affection was triggered by a abandoned cruise to India on April 3rd, which is the aforementioned abode she exchanged vows with Brand.

"She'd already been missing Russell," the cabal explains. "Being aback there afflicted up alike added old feelings."

Friends of Katy add, "Right now, Katy and Russell are aggravating to get to the point area they can at atomic be friends".

Even if Katy is missing her ex-husband, she's not casual up any befalling to accept a little fun with her friends.

Aside from the anxious for Russell in her life, Katy filmed herself and her pals lip-synching to Justin Bieber protege Carly Rae Jepsen's song "Call Me Maybe" during this accomplished weekend's Coachella festivities.

With flowers in her amethyst hair, Perry took turns captivation the camera and assuming to sing in advanced of it and her accompany absolutely got in the act, too, as they all danced about by a basin and alike affective a blow-up monkey afore Katy concluded the video by saying, "We adulation you Justin Bieber".

Check out the video of Katy dancing about with her accompany to "Call Me Maybe"!