GTV's hit series, Celebrity IOU, delivered the highest-rated episode of its sophomore season on Monday, Dec. 28, with a .97 live plus three-day rating among P25-54, a 94 percent increase over the prior six weeks. Among W25-54, it garnered a 1.23 live plus three-day rating, netting a 98 percent lift over prior six-week levels. The episode - which featured Emmy(R) Award nominated and Screen Actors Guild Awards(R) winning actor Justin Hartley as he gave one of his closest friends Mat an astonishing backyard makeover - also performed well among upscale audiences. It secured a 1.04 L3 rating among upscale P25-54 and a 1.30 L3 rating among upscale W25-54, a respective 82 and 86 percent increase over the prior six weeks. The episode also delivered a 1.10 L3 rating among P2+ and a 2.14 L3 household rating. Celebrity IOU is hosted by the network's popular real estate and renovation experts Drew and Jonathan Scott, who also serve as executive producers.

"Celebrity IOU combines the feel-good, inspirational stories of family and friendship with signature renovations by everyone's favorite twin brothers, Drew and Jonathan," said Jane Latman, president, HGTV. "These latest episodes, featuring Zooey Deschanel, Allison Janney, Justin Hartley and Rainn Wilson as they surprise the people who mean so much to them, served up more dramatic transformations and fun times with a side of heart and selfless generosity - and that was enough to bring millions more viewers to HGTV."

Celebrity IOU continues to draw strong viewer engagement on HGTV's digital platforms. The series has been the most-watched show on HGTV GO since its Dec. 14 season premiere, and the Dec. 28 episode is the #2 most-watched episode on the platform since its launch. Season two of Celebrity IOU has delivered more than 2.9 million total video views across HGTV's Facebook, Instagram and Twitter and more than 1 million page views on HGTV.com.