But if you thought that was the only serve of the night, think again.
Taking to the ballroom floor for a second time, Siwa and Johnson then performed a very emotional contemporary dance to singer-songwriter Lewis Capaldi's "Before You Go," which Siwa revealed during rehearsals was dedicated to her late grandfather.
"We just want to do grandpa proud," Siwa said in the episode. (And she did just that!)
Their contemporary routine got them another 40 out 40 from the judges, making their grand total for the night a whopping (and perfect) 80 points!