Derek Hough revealed his wife, Hayley Erbert, was rushed to the hospital. The professional dancer, 38, took to Instagram on Thursday, December 7, to share the news that his spouse, 27, was being treated for a cranial hematoma after she nearly collapsed on their Symphony of Dance tour. “At the end of last night’s tour performance in Washington, D.C., my wife Hayley became disoriented and was taken to the hospital,” Hough explained in the social media post. “She was diagnosed with a cranial hematoma from a burst blood vessel and required an emergency craniectomy. She is in stable condition.” “I …