The model, 47, looked incredibly chic in the black slip dress with decadent lace trim as she accentuated her trim figure with a plunging neckline at the show at the Foreign and Commonwealth office.
![Avatar](https://cdn.statically.io/img/i.pinimg.com/140x140_RS/d8/90/c2/d890c2c77735da0e47be9e395a955954.jpg)
Anna Wall