Denise Petski Senior Managing EditorTrading Spaces alum Ty Pennington is set to star in Ty Breaker, a new home improvement reality show, for HGTV.The eight-episode series will follow Pennington as he helps desperate families decide whether to overhaul their current property or renovate a new one to better meet their needs. Joining Pennington will be fellow HGTV designers Alison Victoria (Windy City Rehab), Grace Mitchell (One of a Kind) and Sabrina Soto (The High Low Project).