Junior tells PEOPLE that working with his Oscar-winning sister on the Shakespeare play in New York City has been "a dream come true"

Moses Sumney brought theatrics to the arrival carpet. The actor wore a design courtesy of Thom Browne’s spring 2022 ready-to-wear collection. The gray cape ensemble featured a bouquet of cascading white and gray flowers, designed in a cocoon-like structure.

Get your first look at the star-studded cast of Free Shakespeare in the Park's 'Twelfth Night,' featuring Lupita Nyong'o, Sandra Oh, Peter Dinklage, Jesse Tyler Ferguson, and more.