They Dated?! Surprising Celebrity Hookups

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Julianne Hough & Mark Ballas

By ANTOINETTE BUENO

January 30, 2014

Julianne Hough had a childhood romance with her one-time Dancing with the Stars co-star Mark Ballas. "It didn't bother me because it was Mark," Julianne's brother Derek told People. "So I guess no girls are really off-limits!"

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