Jon Gosselin Jon Gosselin

The new season of Dancing with the Stars hasn't even started but contestant Kate Gosselin already has one fan: her ex-husband.

"Congratulations to Kate for joining the new season of DWTS. I am thrilled for her. She has my support and vote," Jon Gosselin tweeted Thursday. "Here is to 2010 for new beginnings and leaving the past mistakes behind."

Dancing with the Stars Season 10 cast announced

Kate, 34, has been paired with Tony Dovolani for the dancing competition's tenth season, which premieres March 22 on ABC.

Does the Gosselin family matriarch have your vote on the dance floor?