The production opened at Wilton’s Music Hall on Friday
Kate Moss was among the guests at the opening night party for Britten in Brooklyn last week.
She was seen celebrating with Sadie Frost, who plays Gypsy Rose Lee in the production.
The play is about composer Benjamin Britten's time in New York when he lived with poet WH Auden, novelist Carson McCullers and stripper Lee.
The cast also includes Ruby Bentall, David Burnett, Ryan Sampson and John Hollingworth. It is directed by Oli Rose.
Britten in Brooklyn runs at Wilton's Music Hall until 17 September.