Whitney Houston, 1991
Oh say, did you know that Whitney’s iconic “Star-Spangled Banner” — widely considered the best rendition of the national anthem ever recorded — wasn’t performed live? It’s true: After the star died last year, Rickey Minor confirmed to ABC News that Houston’s Super Bowl vocals were pre-recorded. Whatever; she still belts “AND THE ROCKETS’ RED GLAAAARE” better than anyone before or since.
Ashlee Simpson, 2004
On a Saturday, we were waiting for Simpson to perform her song “Autobiography” in SNL‘s Studio 8H. But a track of “Pieces of Me” started playing instead — confirming that Simpson had lip-synched earlier, and forcing the singer to try to ease the awkwardness by doing an embarrassed jig. She’d later claim that a bout with acid reflux disease had caused her to lose her voice, necessitating the use of a pre-recorded track.
NEXT: Opera singers, rappers and Idols join the club