The glamour girl-turned-business woman opted for a chic knee-length LBD and black peep-toe heels with chain detailing as she mingled with royalty and rock stars at the high society magazine event. The understated outfit is a world a way from Katie's recent style horrors.
Maybe's she's turned over a new fashion leaf? What do you think? Leave a comment below and let us know!
In related news, Katie is unrecognisable in hipster bible Wonderland.