"Dancing With the Stars" has officially unveiled its line-up of celebrity contestants for its 20th season,which will kick off on March 16.

The announcement was made live on "Good Morning America" on Tuesday morning. Some of the biggest names joining the cast include: Michael Sam, the first openly gay football player to be drafted into the NFL, Rumer Willis, the oldest daughter of Bruce Willis and Demi Moore, and actress Suzanne Somers (from "Three's Company" and "Step by Step").

Here is the list of celebs and their professional partners for season 20:

Notice that they're one contestant short? They say that the final contestant will be revealed closer to the start of the new season.

"Dancing With The Stars" premieres on Monday, March 16 at 8 p.m. on ABC.


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