Did any of the professional dancer on dancing with the stars ever date one of the stars?

Yes, there have been instances where professional dancers on "Dancing with the Stars" have dated their celebrity partners. Notably, Derek Hough and his partner Jennifer Lopez were rumored to have had a brief romance during their time on the show. Additionally, Val Chmerkovskiy and his partner Jenna Johnson began dating during the competition and later got married. Such relationships, while not the norm, have occurred throughout the show's history.