Allison has been married to her second husband, Steven, since 2013. The pair met in the most romantic-comedy way, with both dancers competing on So You Think You Can Dance Season 2. According to POPSUGAR, the couple officially met when friend Ivan Koumaev invited them both to a party, but they didn't make a romantic connection until Season 7 when they were competing on All-Stars. 

The pair attended the Step Up 3D premiere together, and at the afterparty, Allison managed to grab Steven's phone number. Finally, during a wrap party for So You Think You Can Dance, Allison made the first move and asked for a dance. They spent the whole night together! The couple was engaged in 2013 and married in December of 2013.