Home Videos Cat Deeley on Allison Holker Joining SYTYCD and Bringing tWitch’s Memory With Her (Exclusive) Cat Deeley on Allison Holker Joining SYTYCD and Bringing tWitch’s Memory With Her (Exclusive) Feb 01, 2024 comments off Tweet on Twitter Share on Facebook Pinterest Allison Holker Cat Deeley So You Think You Can Dance Stephen 'tWitch' Boss