Len Goodman, an urbane long-serving judge on “Dancing with the Stars” and “Strictly Come Dancing,” has died aged 78.

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.

Eric McCandless/ABC via Getty ImagesOne couple who remained safe for another week in a row was Sean Spicer and Lindsay Arnold. I'm really excited and humbled that we're going on but I'm really sad to see him go." Lindsay chimed in, telling ET, "The fact that we are going into week eight, I don't think anybody saw that coming. I'm definitely going to miss our chats every week but it's not over because we're going to continue our friendship. This show, you become a family and we're definitely going to miss Karamo, we're going to miss Jenna."

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'

As judge Len Goodman pointed out, Carson tripped on her dress half-way through the dance, causing a slight, almost unnoticeable misstep. Goodman said it was a glaring mistake, worthy of a critique that eventually made Carson cry. So I don't know if it was the jockey or the horse," Goodman replied. Carson and Mitchell headed to the Star Lounge with the rest of the group to receive their scores, with Carson breaking down over Goodman's comments. RELATED CONTENT:'Dancing With the Stars': Ally Brooke Says She 'Lost 5 Pounds' Rehearsing '80s-Style Quickstep'DWTS': Kel Mitchell & Witney Carson Flawlessly Recreate Kate Winslet & Leonardo DiCaprio's 'Titanic' Scene

Kel Mitchell and Witney Carson will "never let go" of their ballroom bliss! During Monday's highly anticipated "Movie Night" on Dancing With the Stars, #TeamDanceWitKel performed a Rumba to Celine Dion's "My Heart Will Go On." Channeling Kate Winslet as Rose DeWitt Bukater and Leonardo DiCaprio as Jack Dawson, Witney and Kel flawlessly recreated some of the most iconic scenes from 1997's Titanic. ABC first teased which movie Kel and Witney would be tackling via Instagram last Friday, sharing a photo of the two in rehearsal. Regarding the new voting format, which now includes a judges' save, Witney said it makes everything a bit more "scary."

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

"The first thing [Ally did] when she came down [the stairs] was a traditional Cha Cha step," Sasha explained to ET's Keltie Knight. "We love Beyonc! Who doesn't love Beyonc? You have got to love Len. #DWTSpic.twitter.com/R25KUeNSzH Ann Marie Pincivero (@ampincivero) September 17, 2019So whats wrong with Beyonc, Len?

Hannah Brown has hit the ballroom! The Bachelorette made her Dancing With the Stars debut on Monday's season premiere of the ABC competition series, and she brought her A-game. Brown wowed as she and partner Alan Bersten danced the Cha Cha to Whitney Houston's "I Wanna Dance With Somebody." "I think its gonna be something that everybody's gonna really enjoy." RELATED CONTENT:'DWTS' Sneak Peek: Hannah Brown Meets Her Partner at 'Bachelor' MansionHannah Brown on How 'DWTS' Is Bringing Back Her 'Insecurities': It's 'Messed With My Mind' (Exclusive)'Bachelorette' Hannah Brown Reveals Last Message She Sent to Tyler Cameron