Well before Bronx Mowgli entered the world [1], Pete Wentz and Ashlee Simpson asked Cesar Millan for help with prepping their two dogs, Hemingway and new pup, Rigby, [2] for the baby's arrival. The trainer offered tips on consistency and a rather unusual way to work off the bulldogs' excess energy. Watch a sneak peek of the episode of The Dog Whisperer [3] starring this fam (airing on Dec. 28) to learn more.