Stephanie Lynn `` Stevie '' Nicks ( born May 26 , 1948 , in Phoenix , Arizona ) is an American singer-songwriter famous for being the singer of the band Fleetwood Mac . Stephanie Lynn `` Stevie '' Nicks ( born May 26 , 1948 ) is an American singer-songwriter , best known for her work with Fleetwood Mac and an extensive solo career , which collectively have produced over forty Top 50 hits and sold over 140 million albums .