The couple tries to take their stationary line, Lowe Co., to the next level on 'Billion Dollar Buyer,' airing Wednesday, Jan. 17 at 10 p.m. ET/PT on CNBC.
The onetime 'Bachelor' star and her trainer, Julie Hoang, spoke only with ET about how Lowe lost 50 lbs. after giving birth to son Samuel. Get this: she only works out for two hours a week!