Fresh off the Olympics, U_S_ breakout star and medalist Stephen Nedoroscik will compete on the upcoming season of “Dancing With the Stars.”.

Pop star JoJo Siwa will compete as part of the first same-sex pairing on “Dancing With the Stars” for the show’s upcoming 30th season.

Hannah Brown is ready to put in the work. On Monday's Halloween-themed episode, she tried to regain her top spot with a sassy jazz dance to Donna Summer's "Bad Girls." "You've gotta punch it, punch it, punch it," he added of improving Brown's sharpness on the dance floor. Bersten previously opened up about trying to help Brown "believe in herself" while guest blogging for ET earlier this month. RELATED CONTENT:'Dancing With the Stars': Karamo Brown Honors Beyonce With Epic Paso Doble Set to 'Survivor'Tyler Cameron Says He Wants Hannah Brown to Win 'Dancing With the Stars'

Nobody was more shocked than Lamar Odom and Peta Murgatroyd to have made it through the season's first elimination last week, but on Monday night's episode, the former basketball player seemed to have a weight lifted off his shoulders. In honor of Movie Night, Odom and Murgatroyd were tasked with dancing a Risky Business-inspired Cha Cha to Bob Seger's "Old Time Rock n Roll." Odom was hesitant to dance in his "tighty whiteys," but was eventually convinced to do so by Murgatroyd, whom he called the "Kobe Bryant of dance." RELATED CONTENT:'Dancing With the Stars': Lamar Odom Dances in Boxers, Calls Peta 'the Kobe Bryant' of 'DWTS' - Live Updates! Lamar Odom on Sharing His Overdose Story on 'Dancing With the Stars': 'It's Very Therapeutic' (Exclusive)'Dancing With the Stars' Premiere: Lamar Odom Receives One of the Lowest Scores in Show History

Lauren Alaina did her best to step into Julia Roberts' patent leather boots as she and partner Gleb Savchenko took on the iconic 1990 film for Movie Night. Dressed in full Pretty Woman costumes, Alaina and Savchenko began their dance on a red convertible before dancing it out to Roy Orbison's "Oh, Pretty Woman." Alaina admitted that she was nervous to take on Pretty Woman, but she's clearly grown in her confidence. RELATED CONTENT:'Dancing With the Stars': Lauren Alaina & Gleb Savchenko Get Racy With 'Pretty Woman' Tribute - Live Updates! Lauren Alaina on Going from Dorky Tomboy to Sexy Single DWTS Contestant (Exclusive)How Lauren Alaina Is Channeling 'Sexy' on 'DWTS' After John Crist Split (Exclusive)

Leah Remini is returning to the ballroom! ET has exclusively learned that on Monday, Oct. 7, the actress will be joining Len Goodman, Carrie Ann Inaba and Bruno Tonioli as a guest judge on Dancing With the Stars. This will mark Remini's first time judging the dance competition show, but she's certainly no stranger to the Salsa, Cha-Cha, Jive and more. Dancing With the Stars airs Mondays at 8 p.m. ET/PT on ABC, and "Cast From the Past" Week kicks off Oct. 7 and runs through Oct. 13. RELATED CONTENT:'Dancing With the Stars': A Complete Guide to the New Ballroom RulesKeo Motsepe Teases Week 2 of 'Dancing With the Stars,' Reacts to Not Having a Celeb Partner (Exclusive)Leah Remini Returns to 'DWTS' to Fill in for Co-Host Erin Andrews