Ageism is rife in Hollywood, with younger female actresses being cast opposite their much older male co-stars.

One day you are the hot girlfriend, the next you are playing a mother to a man who is the same age as you!

And in the pop world you get old overnight if you are a woman.

Many actresses and singers are not prepared to stay silent on this double standard, read on to find out who has had something to say about the age bias...