So You Think You Can Dance Allison Holker only learned of tWitch's drug addiction after his death 01/08/2025 Allison Holker has revealed that she made a startling discovery about her late husband, Stephen "tWitch" Boss, right before his funeral. Read More RELATED NEWS Allison Holker criticized by tWitch's family and 'So You Think You Can Dance' co-starsAllison Holker only learned of tWitch's drug addiction after his death'So You Think You Can Dance' judge Allison Holker felt "support" from tWitch during Season 18 TAGS: Dancing with the Stars So You Think You Can Dance Star Search Ellen DeGeneres Allison Holker Riker Lynch