( CNN ) '' Dancing With the Stars '' season 20 kicked off its 10-year anniversary celebration in its glittered ballroom with an introduction of the new season 's cast from returning hosts Tom Bergeron and Erin Andrews . Carrie Ann Inaba , Len Goodman , Bruno Tonioli and former pro dancer Julianne Hough each resumed their season 19 seats at the judges ' table . Season 19 's Sadie Robertson also attended the premiere , not sitting far from a new , 14-karat-gold-plated Mirror Ball trophy revealed at the start of the show . Since it 's week one , here 's a breakdown of the new contestants . Fourteen-year-old `` Hunger Games '' actress Willow Shields and pro partner Mark Ballas danced a cha cha to start the night . `` It was like a glass of alka seltzer : sparkling and bubbly , '' Goodman said . The show 's youngest competitor earned 25/40 . Read more : 'Dancing With the Stars ' : A look back at each season 's cast ( photos ) Business tycoon and Shark Tank star Robert Herjavec — who was introduced to partner Kym Johnson with an offer of his Ferrari if they won — filled the second dance slot with a cha cha . `` You have really sharp legs , '' Hough said . The judges gave the pair 28/40 for their dance . R5 bass player Riker Lynch and Allison Holker did not utilize the ballroom floor , but performed a jive on stage to a circle of fans . `` I ca n't wait to see you do the next dance next week , '' Tonioli said . A second cousin to the Houghs , the blonde-haired musician earned 31/40 . Recognized for wearing a bikini while eating a cheeseburger in her 2015 Carl 's Jr. Super Bowl commercial , model Charlotte McKinney and partner Keo Motsepe — who taped her breasts down during practice — danced a jive , which earned 22/40 . Grammy-winner Patti LaBelle said , `` I 'm here to show America that Miss Patti can dance . '' Bedazzled in a gold gown , LaBelle and Artem Chigvinstev danced the Foxtrot that Goodman said had `` a lovely naturalness about it . '' They earned 25/40 . Bachelor Chris Soules , who is engaged to his own blonde Whitney that was present in the audience , performed a country-esque jive with partner Witney Carson . Despite Hough saying , `` your feet were a little loose , '' the pair earned 26/40 . NFL free agent Michael Sam and Peta Murgatroyd got their `` Uptown Funk '' on for a cha-cha that earned them a 26/40 . Tombioni said it `` was hot , '' but Goodman said his feet were `` atrocious . '' Five-time Olympic-winning medalist Nastia Liukin and five-time Mirror Ball trophy winner Derek Hough gave the audience a Foxtrot performance that scored 30/40 . `` It was sweet and delicious , '' Goodman said . LMFAO singer Redfoo and Emma Slater brought a colorful `` Juicy Wiggle '' cha cha . `` You dance like your hair : a little wild and unkempt , '' Goodman said before the two earned 22/40 for the premiere , but Redfoo replied : `` I 'm just so dedicated to learn the technique . '' Read more 'Dancing With the Stars ' Season 20 Cast : Who Are They , and Why Are They Famous ? Double amputee Noah Galloway and Sharna Burgess danced an inspiring cha cha . The pair earned a 26/40 for their emotional performance and Burgess was praised for her creative choreography . `` Three 's Company '' actress Suzanne Somers and Tony Dovolani channeled her thigh master infomercial for a 25/40-scoring cha cha . Somers told audiences that she came onto the show to prove that `` blondes have more fun . '' Singer-actress Rumer Willis and Valentin Chmerkovskiy saved the highest score for last . The pair danced a chandelier-lighted Foxtrot and earned 32/40 . `` This could be your season , '' Goodman told Val . Parents Bruce Willis and Demi Moore cheered from the audience . Redfoo and McKinney were at the bottom of the scoreboard and are in jeopardy of being sent home next week , while Willis and Lynch 's scores are sure to secure them past week two . Tune in to ABC at 8 p.m. on Mar . 23 to see which couple will be sent home . See the original story at The Hollywood Reporter 's site . ©2015 The Hollywood Reporter . All rights reserved .
The show celebrated its 10-year anniversary . There 's a new two-karat-gold-plated Mirror Ball trophy . The youngest contestant is two .