Fleetwood Mac has debunked rumors that they’ll reunite at J.K. Rowling’s birthday party. After reports began circulating over the weekend that Stevie Nicks, Lindsey Buckingham, John McVie, and Mick Fleetwood would perform at the “Harry Potter” author’s party in November, a rep for the band told Rolling Stone: “This is categorically false. It’s not in the realm of true.”