Michael J Fox attends Z100's Jingle Ball 2015 at Madison Square Garden on December 11 2015 in New York City
{"Image ImageDescription": "NEW YORK, NY - DECEMBER 11:  Michael J. Fox attends Z100's Jingle Ball 2015 at Madison Square Garden on December 11, 2015 in New York City.  (Photo by Craig Barritt/Getty Images for iHeartMedia)", "Image Copyright": "2015 Getty Images"}