So You Think You Can Dance alum Courtney Platt acknowledged that her "heart [was] heavy" following the death of costar Joshua Allen at age 36. "[Allen] carried his struggles, he was an incredible talent and a huge part of my life. We didn't speak all the time, we didn't have to but when we did we'd pick up right where we left off because we were fam," Platt, 37, wrote via Instagram on Wednesday, October 1. "Our connection runs deep and always will [forever].