Meet the Cast of DWTS: Season 13!

Credit:

Rob Kardashian

The E! reality star is paired with Cheryl Burke. "I really want to get into shape," Kardashian tells Us. "I'm over 200 pounds, so I want to drop weight and this will be a good start."

Credit:

Kristin Cavallari

The former reality star is looking to pro partner Mark Ballas for guidance. "I'm completely out of my element here," Cavallari tells Us. "It seems like everyone who does it has a really good time."

Credit:

J.R. Martinez

The soap star will learn how to shake it from pro partner Karina Smirnoff. "It's a pleasure and an honor to dance with him," Smirnoff tells Us. "I have a feeling he is going to be someone to watch out for."

Credit:

Chynna Phillips

"I feel very fortunate to have been asked tot be on the show," the singer -- paired with Tony Dovolani -- tells ABC. "There's only six female slots and I got one of them, so that's a real honor."

Credit:

David Arquette

The Scream 4 star isn't worried about donning some silly costumes on Dancing With the Stars. "I've already brought some of my own crazy outfits in!" Arquette, who's paired with Kym Johnson, tells Us. "I've worn many in rehearsal already!"

Credit:

Nancy Grace

The HLN host (paired with Tristan MacManus) is nervous about her odds on the show. "They're young, skinny, beautiful, singers, soccer players, stars -- I'm a lawyer!" Grace tells Us. "I'm a mom of twins! So this is some pretty stiff competition."

Credit:

Chaz Bono

Paired with Lacey Schwimmer, Bono tells Us that "at this point, I want people to know that transgender people are just like everyone else. We're not people to be afraid of or misunderstood."

Credit:

Hope Solo

As goalkeeper for the U.S. women's national soccer team, Solo -- paired with Maksim Chmerkovskiy -- tells ABC she's "nervous" and "full of anxiety," but she's excited to compete. "That's what I do by nature," she says.

Credit:

Ron Artest

The NBA player (paired with Peta Murgatroyd) has a special reason for joining the show. "I decided to do it on behalf of my daughter, Diamond," he tells Us. "She had cancer when she was 4, so I'll donate the money to cancer research."

Credit:

Ricki Lake

The actress and talk show host tells Us she has just one fear: "Getting knocked out first! I have a really great partner, Derek Hough, and I want to make him proud."

Credit:

Carson Kressley

The fashion entrepreneur will learn how to shake it from pro partner Anna Trebunskaya.