"It really has been [a milestone for me]. This has been the time of my life. I hadn't challenged myself in decades, and I challenged myself and I'm off to a fresh new start. Thank you everyone!" Mary Lou said following her Dancing with the Stars ouster.
The other couple in jeopardy of elimination prior to Mary Lou and Sasha's exit was model and Cover Girl Alexis Ren and partner Alan Bersten; however, they were not necessarily the other bottom-two couple based on judges' scores and America votes.
"Halloween Night" featured each of the remaining nine Dancing with the Stars celebrity and professional pairings dancing to some spooky songs and executing some "terrifyingly fun dances" in costume, according to ABC.
Two celebrities topped the judges' leaderboard in first place with a perfect score of 30 judges' points apiece: Singer and dancer Milo Manheim and actor and Fuller House star Juan Pablo Di Pace.
Milo and his professional partner Witney Carson took the stage with a contemporary routine to "Toxic" by 2WEI. Len called it "spellbinding" and "terrific."
Len figured Milo would be "the first one back next week," and Bruno said the routine was "insanely good and brilliantly twisted." Carrie Ann also called Milo and Witney "a dynamic duo."
Juan Pablo and partner Cheryl Burke performed a 30-point worthy jive routine to "Dead Man's Party" by Atwater Men's Club. Carrie Ann said it was "sheer perfection." Len explained the pair had "wow" moments with excellent technique, and Bruno noted Juan Pablo's jive steps were "spot on."
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Actress and Harry Potter star Evanna Lynch and partner Keo Motsepe finished the night in third place with 29 points after taking the stage with a tango routine set to "Disturbia" by Rihanna.
Bruno said Evanna was strong, sexy and in control. Carrie Ann gushed about how she's "on fire" and came across so "fierce."
Fourth place on the judges' leaderboard went to Alexis and partner Alan, who danced a jazz routine to "Candyman" by Christina Aguilera that received 27 points from the judges.
DeMarcus Ware, a pro football player and Super Bowl champion, and partner Lindsay Arnold claimed fifth place on the leaderboard with 26 points after taking the stage with a salsa routine to "Under Your Spell" by Leo Soul.
Mary Lou and partner Sasha finished "Halloween Night" in sixth place. They performed a tango to "Shame" by Elle King that earned 24 points from the judges.
Seventh place turned out to be a tie between two couples at 22 points.
Bachelor in Paradise star Joe Amabile and partner Jenna Johnson finally avoided a last-place finish with their 22-point worthy Argentine Tango to "El Tango de Roxanne" from Moulin Rouge last night.
And country music radio personality Bobby Bones and partner Sharna Burgess earned 22 points for their Argentine Tango performance set to "Mr. Sandman" by SYML.
Finally, actor and country singer John Schneider and partner Emma Slater landed in ninth -- and last -- place on the leaderboard with 19 points after dancing the paso doble to "Main Titles" from Beetlejuice by Ray Chew Live.