Yikes! Maybe Xtina is having some issues!
Christina Aguilera showed up uninvited to Jeremy Renner's 40th birthday last week, got "wasted" and then passed out on his bed.
"Someone comes and tells me she's in my room. I run up and open the door and I'm like, 'Um, hi. What are you doing?' She just starts slurring. Her boyfriend [Matthew Rutler] was rubbing her back. Who comes to someone's birthday party that they don't know and gets in their bed?! My parents were there!"
"Christina was a mess at that party. She acted like a fool. Her boyfriend was shushing her and telling her to go to sleep," adds a source.
Renner's rep added that Aguilera "was enjoying herself, but she wasn't in his bed."
[Image via WENN.]