One of the best examples of how to combine black on white was the costume Audrey Hepburn wore to Ascot in the film My Fair Lady (1964). Cecil Beaton designed the costumes and the Ascot outfit is stunning.

I've noticed a few designers being inspired by this creation with garments they've designed for the high street.

Principles by Ben De Lisi dress £35 (not in store yet)
I'm going to be mixing up the black and white when summer arrives - how about you?