David Becker/WireImage While Mark Ballas may not have known who he was going to marry when he was 14 years old, he did know who was going to be his best man. During an appearance on Ellen DeGeneres' daytime talk show, Dancing With the Stars pro Derek Hough recalled how Ballas popped a different question all those years ago. "Luckily it went well... The wedding went off without a hitch as the dancer and his bride, singer-songwriter BC Jean, said "I Do" under an oak tree in Los Angeles on Friday.