'Women inevitably have to work a little harder to be heard'...'These A-list feminists stand against the patriarchy

America Ferrera's powerful monologue as Mattel employee Gloria in the new 'Barbie' movie is one of the highlights of the blockbuster. The speech about the difficulties of being a woman in the modern world left audience members applauding and reduced others to tears. But America is not the only star to make a stand for the sisterhood...