I wear a feline leotard and ears to see Cats – and meet all the other theatre superfans going crazy for costumes

Skeleton suits for Phantom of the Opera, garish wigs for Beetlejuice, a Don’t Tell Mama dress for Cabaret …

our critic meets the crowds going wild for costumes – and attends Cats in kitty costume It’s an hour before curtain-up and the queue outside the theatre is full of green wigs and blue faces, all amid a sea of black and white stripes. It is Halloween night and these theatregoers of all ages, snaking around a corner of the West End, are in themed dress for the musical Beetlejuice , adapted from the 80s film.…