She will replace Samantha Harris as co-host. Bergeron made the announcement Monday on ABC's "Good Morning America."
As a contestant, Burke won during the season that ended in November 2008. She has hosted TV shows including CBS' "Rock Star" and E!'s "Wild On." The mother of four children has also built her own business on parenting issues, with an online baby products store and job as the "mommy correspondent" on the syndicated show "The Doctors." She has more than 1.7 million followers on Twitter.
Contestants this season include former "Baywatch" babe Pamela Anderson, reality star Kate Gosselin, astronaut Buzz Aldrin and Olympics figure skating gold medalist Evan Lysacek.
Also competing for the mirrorball trophy will be reality TV personality Jake Pavelka, sportscaster Erin Andrews, singer Nicole Scherzinger, football star Chad Ochocinco and actors Shannen Doherty, Aiden Turner and Niecy Nash.
The new season begins March 22.
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