Dancing with the Stars Contestants Cut Loose!Val Chmerkovskiy loves his "thick" partner Sherri Shepherd! Martina Navratilova takes the Ping-Pong crown! See how the stars are gearing up for the show's March 19 premiere in their Twitter pics!

DONALD & PETA

Green Bay Packers receiver Donald Driver admitted to having some trouble learning a move – "Me and @PetaMurgatroyd are finished for the day! Great work! But she had me mad for about a Hr. But I got the move," he confessed on Twitter, prompting pro partner Murgatroyd to reply, "I love it when u get mad at me ;p."