'On wednesdays, we wear pink' - just one of the valuable life lessons Li-Lo and co taught us in Mean Girls. But why save this sugary shade for the hump day when it can be used to soften up a super-cool look or simply pack a pretty punch seven days a week?

These films, from My Fair Lady to Mermaids know the power of pink, no matter what day it is. Click the gallery to see 20 times pink has looked pretty damn brilliant at the movies.