But something else made it a special night: the show's 200th edition, and stars, past and present, who made an appearance.
As for Monday's dances, the show brought back a group of veterans for the event. Not just to help celebrate, but also to help judge.
A two-team, cha cha group competition dance off kicked off week seven.
The six remaining celebrities were drafted into groups by their team captains: former champs and Olympians, Kristi Yamaguchi and Apolo Ohno.
Yamaguchi's group included Rick Fox, Kyle Massey and Bristol Palin.
Ohno's team consisted of Brandy, Jennifer Grey and Kurt Warner.
Each group learned their own version of a high energy cha cha to earn scores that were to be added to their individual scores for a grand total for the evening.
Brandy and partner Maksim Chmerkovskiy along with Grey and her partner, Derek Hough, tied for first place for first place with the judges with a 37 out of 40, for a grand total of 64 out of 70.
Brandy and Chmerkovskiy' sultry dance to "Fever" earned a 10 from judge Len Goodman.
Though physically exhausted, Grey and Hough brought an intense tango to the floor. The judges loved it, with Carrie Ann Inaba telling her we all love to see a good comeback.
Three points behind them were Warner and partner Anna Trebunskaya along with Fox and his partner, Cheryl Burke, tied for the next position with a score of 34 out of 40, for a grand total of 61 out of 70.
They were followed by Massey and Lacy Schwimmer, who performed a paso doble.
Goodman said it was Massey's best performance to date.
They earned 35 out of 40 points for a grand total of 59 out of 70.
Though their Viennese waltz was called endearing and poetic, Palin and partner Mark Ballas landed in last.
They scored 33 out of 40 for a grand total of 57 out of 70.
When the dancing was done, the party started to celebrate all 200 episodes.
At the party, this season's first star eliminated, Davis Hasselhoff, met his counterpart, Trista Sutter. So was Florence Henderson.
Other stars were out to celebrate, too.
"Ballroom dancing died until 'Dancing With the Stars' brought it back and made it again something that's part of our culture," said John Hurley.
The fun won't last for long because one more couple will get the boot in Tuesday night's results show.
(Get a dance-by-dance recap of all the action in week seven of 'Dancing With the Stars.')