Jon Gosselin Aims to Get Into ‘Best Shape’ of His Life Before Marrying Girlfriend (Exclusive)

ET chats with Jon Gosselin and his daughter, Hannah, as they embark on a weight-loss journey with Beverly Hills Rejuvenation Center, founded by Dan Holtz. The two explain why they’ve sought out new procedures to meet their fitness goals, and discuss life after reality TV. The former ‘Jon and Kate Plus 8’ stars share an update on their relationships with Jon’s ex and Hannah’s mom, Kate Gosselin, as well as their own love lives. Hannah has a boyfriend, Lennon, while Jon is seemingly ready to propose to his longtime girlfriend, Stephanie.