Sandra Bullock
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Bullock plotting revenge on Clooney

Sandra Bullock, who was on the red carpet in London for her latest film Gravity, has been talking about how co-star George Clooney once played a prank on her.

Sandra Bullock has been on the red carpet in London to promote her latest film, Gravity.

It is being shown as part of the London Film Festival ahead of its general release next month.

She spoke to the BBC's Wendy Hurrell about her co-star George Clooney, who once played a prank on her.