TODAY 8a: Celebrating Stephen Sondheim. TODAY exclusive — Christopher Andersen on new book “Brothers and Wives” about Prince William and Prince Harry. Rita Moreno on Steven Spielberg’s “West Side Story.”

<p>Composer and lyricist, Stephen Sondheim, died on Friday at the age of 91 — we’re looking back at his legendary career and how Broadway stars are honoring his life and work. Plus, a TODAY Exclusive: Savannah Guthrie and Hoda Kotb sit down with author Christopher Andersen to chat about his new book “Brothers and Wives: Inside the Private Lives of William, Kate, Harry, and Meghan.” Also, Rita Moreno is in-studio to talk about her role in Steven Spielberg’s “West Side Story” 60 years after playing “Anita.” And, Joe Fryer visits the set of “Annie Live!” — he chats with Celina Smith and Taraji P. Henson.</p>