Cannes 2015 hair: as it happens!

Take a look at all of the best Cannes 2015 hair looks from the red carpet - we'll be updating every day with the latest styles to hit the film festival! So far we've seen Sienna Miller show us how to make short hair look mega glam, Lupita Nyong'o rocking a jumbo bun that we're ready to copy and Julianne Moore bringing her trademark understated elegance to the Standing Tall premiere. Over the next two weeks there'll be even more stunning moments - and we can't wait to share them with you! Click through the gallery to see all of the best Cannes 2015 hair looks, as they happen.

  [Images: Rex Features]