Actress Melissa Joan Hart, 31, recently stopped by the offices of with her husband Mark Wilkerson, his band Course of Nature, and their son Mason Walter, 23 months. One of the site’s features is asking celebrities this "really geeky question" (their words, not ours!): who would win in a fight, a minotaur armed with a trident or a centaur armed with a crossbow? To see how Melissa answered, visit Melissa, who is due the first week of March with the couple’s second child, also took part in their Guitar Hero Challenge.

Continue reading for more photos.