Jen Affleck is lacing up her ballroom shoes for season 34 of Dancing With the Stars just weeks after giving birth to her and husband Zac Affleck's third baby. "I'm out of shape," Jen, 26, exclusively told Us Weekly ahead of the Dancing With the Stars cast reveal. "It's been a year since I've worked out. I'm excited to get back into shape." The Secret Lives of Mormon Wives star shared that "a part of" the reason why she wanted to do a natural childbirth with her third baby was for Dancing With the Stars. (Jen and Zac share daughters Nora, 3, Penny, 2 months, and son Luca, 2.