Amy Roloff Shares Update on Relationship With Ex Matt After Years of Having a 'Wall Up' (Exclusive)

Amy Roloff and husband Chris Marek chat with ET's Rachel Smith about 'Little People, Big World,' which airs Tuesdays on TLC. Amy gives an update on her relationship with ex-husband Matt Roloff and shares how her husband, Chris, has helped her bring her 'wall down.' Plus, Amy weighs in on Matt and their son Zach's strained relationship.