Though his name may deceive you, Arjuna did not start his life in down dog. And while his Hare Krishna astrologer mom did introduce him to spirituality, it was Madonna who actually introduced him to yoga. (And he often says thank you through his playlist.) Then in 2006 when he finally took a class, Christy Marsden kept him coming back, all the way through her training, and he's ever grateful for her insight and teachings. Arjuna's passion and enthusiasm are always evident, and he loves yoga so m...