Week in Pictures: Blunders and Babies

Take a peek at this week's best celebrity photos!

Blunders, babies and butts, oh my!

While Shakira was busy giving birth to her baby boy Milan Tuesday, Beyoncé was dealing with a lip-synching controversy and Justin Bieber was showing off his, um, assets on Twitter.

And those weren't the only celebrities making headlines this week.

Take a look at the stars that topped our most recent photo galleries!