“Big Bang Theory” star Kate Micucci is officially cancer-free. The actress shared the health update in a new TikTok.“Hey everyone! I just wanted to thank you all so much for the good wishes and all the love that I have received this past week,” she said Saturday. “It meant so much to me and really came at a time that I really needed it so thank you.”“I have great news, which is that I am cancer-free!” she continued.