[Warning: Potentially Triggering Content] This is not the kind of story we expected to be writing about HGTV star Nicole Curtis. The popular Rehab Addict star built her brand on grit and authenticity. She was the scrappy, hands-on renovator who prided herself on getting dirty to restore old homes in forgotten neighborhoods. But this week, that image shattered after a shocking video surfaced showing Curtis using a racial slur while filming her show - and now, HGTV has cut ties.