Justin Bieber is gonna have to do a lot more than say he's sorry to get out of this one!
Yikes! This could get ugly.
Take a listen to both songs (below) to hear the very recognizable riff!
That is definitely the smile of a happy camper!
But instead of showing up with her fiancé Ricky Van Veen on her arm, Girlfriend came to the party with the newly predominant sparkler on her hand!
We can't imagine why she wouldn't say yes to that! LOLz!
Show off that fantastic ring, Ali!
[Image via Getty Images.]