Rita Moreno and Rachel Zegler Sing Happy Birthday Duet at ‘West Side Story’ Premiere! (Exclusive)

Steven Spielberg, Rita Moreno and Rachel Zegler chat with ET’s Nischelle Turner at the Los Angeles premiere of ‘West Side Story.’ With Spielberg and Moreno’s birthdays coming up, ET surprises the icons with a cake! And it gets better! Zegler stops by and ends up singing a Happy Birthday song duet with Moreno on the red carpet. Plus, the director opens up about his mandate that only Latinx actors portray the ‘Shark’ characters in his reimagining of the beloved musical. ‘West Side Story’ is in theaters Dec. 10.