Holker is joining the judges' table alongside Maksim Chmerkovskiy and guest judge Comfort Fedoke.
Cat Deeley chats with ET's Cassie DiLaura about Season 18 of 'So You Think You Can Dance,' premiering March 4 on Fox.
Cat Deeley will return to host the upcoming season.
The 'SYTYCD' host also opens up about how 2-year-old son Milo is adjusting to being a big brother.
The 'SYTYCD' host opened up to ET about life at home with her 2-year-old son, Milo, and newborn son, James.
The 'So You Think You Can Dance' host is already mom to 2-year-old son Milo.
The 41-year-old host is taking her second pregnancy day by day.
The television host opened up to ET about her expanding family at the Los Angeles auditions for season 15 of 'So You Think You Can Dance,' which returns to Fox on June 4.
ET sat down with the 41-year-old TV host at the Television Critics Association Press Tour on Sunday in support of Lifetime's new series 'This Time Next Year,' where she opened up about expecting her second child with husband, Patrick Kielty.
The 41-year-old TV personality doesn’t plan to find out her baby’s gender until it’s born.
The TV personality experienced a first on Monday morning.
Cat Deeley is a mom!
No basic bellies here!
The So You Think You Can Dance host couldn't be any more adorable!