Bianca Ryan, the 11-year-old season-one contestant with the powerhouse voice, won the $1 million prize.
Sayonara, Jerry Springer. Hello, Nick Cannon. Mariah Carey's hubby signed on to host the show in 2009.
After four seasons, David Hasselhoff was done judging people's talents on the show.
The only original judge left on the panel, Piers Morgan decided to leave his post after six years on the job.
Alice Tan Ridley, the mother of the Precious star, brought the house down while singing Etta James' "At Last."
Landing in fourth place, opera singer Prince Poppycock always gave the crowd an interesting show.
Magician William Scott Anderson gave a mindblowing performance when he went inside a microwave and then came out as a completely different person. You gotta see it to understand.
Michelle L'Amour made herself known for her sexy moves as a, um, talented stripper.
Michael Grimm's pipes didn't just score him a season-five win, but also a deal with Epic Records.
Fans were shocked to learn that the newest judge on the show would be Howard Stern. Did they like him?
Andrew De Leon, a 19-year-old singer with white contacts and dark eyeliner, shocked the audience with his ridiculously talented voice.
Warren Hull, a member of Gymkana, a gymnastic stunt team, crashed into a ring of fire while flipping through it, causing the flames to land on top of him while he laid onstage.
Big Barry was one short man with big dreams, but some people (like Howard Stern) were not happy with Howie Mandel's decision to keep him in the competition.
Who can forget Lulu, the plus-size pole dancer? This mother and clerk gave quite a show in Austin, but failed to move forward with the competition (and we just can't understand why).
Singer and soldier Timothy Poe quickly made (not-so-good) headlines after his claim of getting injured in combat turned out to be false.
Sharon Osbourne's tweet started a departure rumor, but she just tried to joke it off.
Justin Beiber's fans were more than livid after the reality show failed to air a promised teaser video of the Biebs' latest single "As Long As You Love Me."
NEXT GALLERY: American Idol: Season 11 OMG Moments