Samantha Jo `` Mandy '' Moore ( born March 28 , 1976 in St. Louis , Missouri and raised in Breckenridge , Colorado ) is an American choreographer who is well known for her work on Dancing with the Stars and on So You Think You Can Dance where she appeared on seasons 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , and 13 . She has also choreographed duet and group numbers for So You Think You Can Dance United Kingdom , Canada , Ukraine , and the Netherlands . Moore choreographed the 2016 film La La Land .
Mandy Moore had a career in dance.