Katy Perry hit the streets of London last night, arm in arm with mother in law, Barbara Brand as they headed to the Piccadilly Theatre to see the Broadway musical, Ghost. Dressed entirely in pink, the Fireworks singer coordinated her cotton candy colored locks with a neon Giambattista Valli cape dress and jacket to match.

Katy Perry out in London at Ghost - Dressed in All Pink

Katy Perry Arrives in Brazil in Carmen Miranda Mask!

The 26-year-old pop princess is over in the UK as part of her California Dreams Tour, which stopped off at London's O2 Arena on Friday and Saturday. While on the European shores, the singer also took to the stage on Simon Cowell's reality show, X Factor, where she sang her ballad, The One That Got Away.

What do you think of Katy Perry's head to toe pink look!?