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OTRC: 'Dancing With The Stars' 2013 Recap: Maksim Chmerkovskiy returns!

Amber Riley and Derek Hough appear in a still from 'Dancing With The Stars' on Nov. 18, 2013. (ABC)

Corbin Bleu, Amber Riley, Leah Remini, Jack Osbourne and Bill Engvall are living in the shadows this week on "Dancing with the Stars." The shadow of Maksim Chmerkovskiy!

Yes, fan favorite Maks is back in the ballroom, stepping in as a guest judge with Len Goodman, Bruno Tonioli, and Carrie Ann Inaba. They'll give their critiques and opinions on two dances for each couple.

And the newest DWTS theme/gimmick/twist is that the couples performed to the same song twice: Once in its full force, and again acoustically.

(Find out who was VOTED OFF the show here!)

Here's a rundown of the semifinals, from highest to lowest score:

Amber Riley and Derek Hough -- 39 out of 40 for their Jazz routine / 40 out of 40 for their Viennese Waltz = 79 total points.

Amber gets good news from the knee doctor; she shouldn't expect to have any long term issues because of her bum knees. His diagnosis re-energized Amber this week and she attacked it, first at rehearsal and then in the ballroom.

Derek Hough teaches her some very fun and very intricate choreography for their Jazz routine to the Bruno Mars song "Locked Out of Heaven." Bruno Tonioli called it fierce, rich, surprising and versatile; Carrie Ann thinks Amber is in a class of her own; Maks praised the intricacy of the dance; and Len said simply "do it again!"

Amber's second dance lets her show off the exactly opposite type of character. She does a flowing Viennese Waltz that Bruno called angelic. The dance brought Carrie Ann to tears and she told Amber she is something special. Maks gave Derek a bit of a backhanded compliment, praising him as a partner who "knows how to win." Still, "10s" all around!

Corbin Bleu and Karina Smirnoff -- 35 out of 40 for their Tango / 40 out of 40 for their Rumba = 75 total points.

Corbin doesn't do much celebrating of last week's perfect score. Elizabeth Berkley's elimination has him thinking this whole season is up in the air. His first dance is a Tango and Karina Smirnoff choreographs a fiery routine. Their song is Fall Out Boy's "My Songs Know What You Did in the Dark."

Karina's former flame, Maks, called it amazing and creative; Carrie Ann thought it was hot and she wanted to see it again! Len thought it was too "full on" and had too much attack.

Corbin redeemed himself with Len on his second dance. It was about the sexiest Rumba I can remember seeing on this show. Bruno called him a virtuoso performer; Carrie Ann called his body a wonderland; and Maks complimented Karina, calling her one of the five best female dancers of all time. That comment earned him a kiss from his ex-fiancee!

Jack Osbourne and Cheryl Burke -- 33 out of 40 for their Jazz routine / 38 out of 40 for their Argentine Tango = 71 total points.

Jack had a heartbreaking week health-wise. Whether it's his MS flaring up, or simply fatigue, he had a very tough time in rehearsals. You gotta love Cheryl Burke even more for putting it to him straight: it's just a dance show. Your health is what's important. She's really scared for him!

He does his best during the week, and performs a pretty decent Jazz routine. Cutaway to Mama Sharon crying her eyes out! Carrie Ann applauded Cheryl's performance; Len thought Jack lacked finesse.

All is forgiven with Jack's second dance. He dives into the serious role with the Argentine Tango and earns two "10s." All the judges gave Jack props for pushing through this and not ever using his MS as an excuse.

Leah Remini and Tony Dovolani -- 32 out of 40 for their Paso Doble / 33 out of 40 for their Argentine Tango = 65 total points.

Leah and Tony Dovolani dance to Lady Gaga's "Bad Romance." First dance is the Paso Doble. Leah puts in a lot of effort during rehearsals. She has a little stumble after tripping on her skirt, but Maks let her know that stepping on a costume is NOT a technical mistake. The judges give them straight "8s" across the table. Their second dance is the Argentine Tango and this time she earned three "8s" and one 9 from Bruno.

Bill Engvall and Emma Slater -- 28 out of 40 for their Cha Cha Cha / 32 out of 40 for their Argentine Tango = 60 total points.

Bill and Emma Slater get the LMFAO song "I'm sexy and I know It," and you know Bill can have some fun with that! His first dance is the Cha Cha Cha and during rehearsal week he got a nasty groin pull. Like Amber's knees, he's powering through the pain.

Bill gets straight "7s" from the judges, and they're all still saying the same thing: We love you, love your personality, love your hard work ... but the steps just aren't there. Len called him the "people's champion."

Bill seemed like a different dancer with his second routine. No funny guy here. He completely stayed in a serious character with the Argentine Tango. Maks told him his musical interpretation was amazing. He also gave kudos to Emma for her choreography. He upped his four "7s" to four "8s."

Who do you think is going to win this season of "Dancing With The Stars" and who is going home next week? Vote in our poll below!

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