Embarrassing celebrity moments

It’s certainly no secret that Christina Aguilera messed up the lyrics to the national anthem during Sunday’s Super Bowl.

In case you missed it:

But Aguilera isn’t the first celebrity to do something a bit humiliating in public. Here are some embarrassing moments from your favorite stars:

Ashlee Simpson was caught lip-synching on “Saturday Night Live.” Simpson later said it was due to severe acid reflux disease.

Whitney Port took a tumble on “Good Morning America.”

“It was the most humiliating moment of my life!!!” Port said on her blog.