10 celeb co-stars that are best friends in real life

Actors like Jennifer Aniston and Courteney Cox are famous for being best friends off-screen, but what about people like Helen Mirren and Russell Brand?

By Kate Wagner

Actors are good at playing nice with their co-stars in front of the camera – it is in the name – but we often hear about stars who played best friends on screen not feeling [quite the same way] behind the scenes.

For all the horror stories, what about the co-stars that are best friends in real life? Especially the ones you'd never expect - [Helen Mirren and Russell Brand] anyone…

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