Kate Moss brought Jamie Hince and Stella McCartney along yesterday to shop for antiques in London before picking up holiday gifts for Lila and heading to dinner. She seemed awfully low-key before her big announcement tomorrow — but Kate's probably used to keeping her cool with a lot going on at once. Her new ads for Longchamp just came out, and apparently Simon Cowell has asked her to guest host his popular X Factor show because he knows she's such a fan. Whatever her upcoming surprise is, we're excited to hear what Kate has to tell her loved ones.
To see more of Kate's day out just