Along with Nayer, the gentlemen busted out "Give Me Everything" before it became the hottest jam of the summer.
The Disney princess made the scene with her band...er...the Scene!
Which song of theirs isn't dance-party approved?
The fraternal trio "MMMBop"-ed along.
The Fearless singer showed up to tell a "Love Story" and returned a couple seasons later for "Mine" and "White Horse."
Having made her debut on this stage with dad Billy Ray Cyrus, the teen queen returned solo to prove she "Can't Be Tamed."
Everyone was onboard with "Soul Sister" and "Drops of Jupiter."
The Britain's Got Talent phenom "Dreamed a Dream" on these shores, too.
The veteran pop star offered up the modern classic "Come to My Window."
Bolton managed to put his ego lackluster appearance as a contestant aside, and he brought Nick Jonas' gal-pal along for the musical ride!
He performed "In My Head" and "Georgia on My Mind." Who knew the pop-R&B star was so cerebral?!
Another former contestant, who dropped out midseason in the midst of marital drama, made a triumphant return doing what she does best.
If the diva wanted to dance with somebody, she went to the right place.
Broadway must have been dark that night, because the Goo Goos were at DWTS.
The Colombian temptress made the crowd go "Loca."
Is there a fresh up-and-comer who hasn't been on this stage? The former Sonny With a Chance Star brought "La La Land" to the ballroom.
The British beauty wore shoes for this one.
Lucky for the stars that they don't have to dance on a "Tightrope."
The jazz and soul icon sang "At Last," duh.
The singer's hubby, Ty Murray, was a semifinalist and fan favorite, but she had to drop out before the rodeo even began with a stress fracture.
The two-time DWTS champ gave "My Hallelujah Song" a whirl in front of some familiar faces.
We bet he likes how all the lady pros move on the floor.
The Grammy winner has made multiple appearances, because "No One" does it quite like Keys.
She sweetly serenaded the audience with "Come Away With Me" and a newer tune, "It's Gonna Be."