We wouldn't call it a brand new dance—but the Australian pop star still had everybody doing "The Locomotion"!
It's a fine life when the cast of a Broadway show comes to town.
The Scottish singing sensation teamed with Utah's finest for "This Is the Moment."
The season-14 runner-up performed il duetto with Plácido Domingo of the operatic "Come What May."
They can't get enough of the Biebs on this show. He was back in the first week of season 15 to warble "As Long as You Love Me."
A year after Tom Bergeron let it be known he didn't want to interview that week's musical guest, the controversial Grammy winner made an uneventful—albeit energetic—return.
The trio joined forces for "Run" on the first results show of season 14.
The teen heartthrob teamed up with the man-band to perform "Fa La La," off his new Christmas album, Under the Mistletoe.
The DWTS alum returned as a guest dancer for the first time to bust a move with her Footloose costar.
The country artist and Voice judge had the ballroom rockin' to "Footloose."
We must ask: Is "Mr. Know It All" about Maksim Chmerkovskiy?
The country newcomers may sing about dying young, but they won't soon be forgotten.
The Tony Award winner showed up on both shows during Broadway week.
The Unbreakable starlet belts out her hit single "Skyscraper."
We wouldn't mind seeing the crooner compete on the show—anyone else?
The duo gets everyone movin' with their "Party Rock Anthem."
What show in its right mind doesn't include a special appearance by this superstar? Just dance, indeed!
The Grammy winner lent her Voice to this show first.
"Let's Get Loud," encouraged the future American Idol judge.
She didn't win American Idol, but Pia got a plum performance slot while flame-for-awhile Mark Ballas did a rumba demo.
His appearance created a bit of controversy when host Tom Bergeron passed beforehand on interviewing the comebacking R&B star, saying he wouldn't be able to not mention Brown's past troubles.
The back-in-action boy bands strutted their right stuff right here—and season one contestant Joey McIntyre got to show off some of his moves!
DWTS knew to pencil in the British newcomer just as her dog days were ending.
Guess who had "All the Right Moves"?