'When Calls the Heart': Rosemary Doesn't Want to Wear Elizabeth's Maternity Clothes! (Exclusive)

In ET's exclusive clip from 'When Calls the Heart,' pregnant Rosemary doesn't want to wear Elizabeth's maternity hand-me-downs. But because they’re best friends, Rosemary politely accepts the gowns, despite them being colors she usually avoids! ‘When Calls the Heart’ season 10 premieres July 30 at 9 p.m. ET/PT on Hallmark Channel.