updated 01/26/2011 AT 3:45 PM ET
•originally published 01/26/2011 AT 12:10 PM ET
But for the two-time DWTS champ, life wasn’t always so smooth: As a child, Burke was repeatedly molested by a friend of her family’s – and testified against him in court, helping send him to prison for nearly two decades.
“I’m telling my story,” says Burke, 26, who opens up about the molestation – and other struggles, including physical abuse by two former boyfriends – in her new book Dancing Lessons, (coauthored by PEOPLE senior writer Monica Rizzo). “They’re not secrets. There’s no shame.”