and her super awesome cleavage - I'd faint from excitement standing 10 feet away from those things - partied with Selena Gomez
and Justin Bieber
after the premiere of her movie Part of Me
. I wonder what being a girl and partying with Katy Perry
would be like. I guess it would be pretty cool if you wanted to know what being the Invisible Man felt like because there's no way any guy would pay attention to ...