It’s still hard to believe that Beyoncé might have lip-synched the national anthem on Monday at President Obama’s inauguration ceremony. But don’t worry, Bey, you’re not alone! There are plenty of other artists who have accepted a helping hand from pre-recorded music tracks. We had a true LOL moment when Ashlee Simpson was clearly unprepared for her “live” performance on “Saturday Night Live” in 2004. Check out the vid to see who else stumbled on stage and, um, forgot to sing!