Mandy Moore kicks off a new season of “Celebrity IOU” by building a backyard oasis for her kids’ nanny. Watch the season eight premiere of Drew and Johnathan Scott’s show on Monday, Aug. 12, at 9 p.m.

Jennifer Jason Leigh stars in a new episode of “Celebrity IOU.” Watch her work alongside Drew and Johnathan Scott on Monday, Sept. 9, at 9 p.m. ET on HGTV. Hollywood A-listers express their gratitude ...

HGTV has a long line-up of famous stars, some of whom have gone on to become faces for the network. Two such faces, although they perhaps come as one, are Drew and Jonathan Scott, who have made a name ...