The heartbreaking seizure in Celine Dion’s new doc, plus the 40th anniversary of ‘Purple Rain’

Celine Dion’s new documentary, “I Am Celine” hit Prime this week and is making waves as America watches her struggle up close and personal. The Post’s music critic Chuck Arnold breaks down Celine’s journey as an icon suffering with stiff person syndrome. He also catches Adam Lambert at an exclusive Sussane B party in the...