Kate Middleton: Prince William Who?

Kate Middleton, dressed in a trendy blue-patterned shift dress by Lipsy, returns to her London home on Thursday after a girls night out.

The ladies dined at La Bouchee restaurant and then hit the town clubbing at Mahiki nightclub, which is regularly frequented by ex-boyfriend Prince William

Her split with the Prince, following a five-year romance, was announced last weekend.