It's Dancing Time! Inside the Stars' RehearsalsSee how Kendra Wilkinson, Kirstie Alley, Ralph Macchio and more prepared for the March 21 season 12 premiere of DWTS

Sugar Ray & Anna

Posture makes perfect! Trebunskaya shows her boxing legend partner how to stand up straight during a rehearsal. "Anna has really been working with me on posture because as a boxer you lean forward and keep your chin down and as a dancer it's the opposite," he posted on Facebook. "I'm making progress."