Angelique Jackson Turning 30 is always a memorable moment, but “The Color Purple” actor Phylicia Pearl Mpasi rang in her third decade with a birthday serenade from Oprah Winfrey. Coincidentally, Mpasi’s birthday (November 16) fell on another special occasion: the first screening of the musical reimagining of “The Color Purple.” The atmosphere was charged with anticipation since this was the debut of the film before critics and press, but the mood backstage was particularly jovial since it was the first time the cast — Fantasia Barrino, Danielle Brooks, Taraji P.