There's about to be a whole lotta Liza going on at Carnegie Hall! On Thursday, June 25, Liza! at 80: A Celebration in Song and Dance will take the stage at Stern Auditorium / Perelman Stage, celebrating the legendary performer and her 80th birthday. BroadwayWorld is very excited to bring you an exclusive peek inside rehearsals as Tony nominee Elizabeth Stanley performs 'Sing Happy' from Flora the Red Menace. Watch in this video!