Recently, San Francisco, according to his Twitter. :-) From what I understand, he’s danced with Shawn AND Kristy Yamaguchi at Kristi’s “Dancing the Night Away” – an event sponsored by her “Always Dream” foundation.
Sure enough, here’s some video of Mark dancing with Shawn:
At this same event, Mark sang with disqualified American Idol contestant and current girlfriend, Joanna Pacitti:
Mark was also spotted with Shawn Johnson at the MTV Movie Awards on Sunday night.