ABC has finally released the complete official roster for the hit dance competition show 'Dancing With the Stars' for Season 21. The names of final four contestants who will battle it out on the ballroom floor were revealed on 'Good Morning America' on Wednesday.

No doubt, the celebrities who will be competing for the coveted Mirror Ball Trophy are full of personality, reports IB Times. Check out the star-studded cast for 'Dancing With the Stars' Season 21 below.

1.     Andy Grammer, singer, and Allison Holker

2.     Alexa PenaVega, actor, and Mark Ballas

3.     Alex Skarlatos, American hero, and Lindsay Arnold

4.     Bindi Irwin, animal activist, and Derek Hough

5.     Carlos Pena Jr., actor, and Witney Carson

6.     Chaka Khan, Grammy-winning singer, and Keo Motsepe

7.     Gary Busey, actor, and Anna Trebunskaya

8.     Hayes Grier, Vine star, and Emma Slater

9.     Kim Zolciak, "The Real Housewives of Atlanta" reality star, and Tony Dovolani

10.  Nick Carter, Backstreet Boys member, and Sharna Burgess

11.  Paula Deen, celebrity chef, and Louis Van Amstel

12.  Tamar Braxton, singer, and Val Chmerkovskiy

13.  Victor Espinoza, Triple Crown-winning jockey, and Karina Smirnoff

The announcement of the final roster puts an end to all speculations regarding the possible cast of the reality show for Season 21.

'Dancing With the Stars' Season 21 willl premiere on Monday, Sept. 14, on ABC.