First she sang with The Voice's winner Javier Colon and Wednesday night she gave the talent on America's Got Talent a taste of how it's really done with two massive performances.
Check out Stevie Nicks' first performance of the night and judge for yourself -- we dare you to find something wrong with it.
As if one killer set wasn't enough, Stevie Nicks returned to the America's Got Talent stage to give fans a treat with a classic. She went old school with Edge of Seventeen. Take a look at the video and get ready to sing along.
What do you think of this season's talent and musical guests? Is this season of America's Got Talent keeping your interest or making you change the channel? Tell us your thoughts, we want to know.