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Mark Ballas is ready to collect those votes for this season's Dancing With The Stars even though the show doesn't premiere until September 19!

The 25-year-old dancing stud has been heavily promoting his partnership with 24-year-old Hills star Kristin Cavallari with customized shirts, front and back, that read "Vote For Mark And Kristin."

Now that Kristin has split from her former fiance Jay Cutler, the sexy blonde is free to put the moves on Mark ... and not just on the dance floor. Could these two be headed for a showmance?

One, two .. cha cha cha!