Julianne Hough is returning to Dancing With The Stars as a guest judge in the show's season finale, after it was announced her brother, and fellow judge Derek Hough, tested positive for COVID-19. Julianne initially joined the show as a troop performer, before becoming one of the pro dancers in season 4.
She went on to win the Mirror Ball trophy in her first season as a pro with her celebrity party Apolo Anton Ohno. If there was any question as to whether or not she just got lucky in her first
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