Chris Martin splashed out £400,000 on a painting.
The Coldplay frontman happily forked out the huge sum for a one-of-a-kind design by famed street artist Banksy at a fundraiser for Haiti earthquake victims on Saturday night (11.01.14).
The musician wasn't the only celebrity flashing their cash on the night, however, with auction host Anderson Cooper paying a whopping £850,000 for a sculpture to be built out of 65 of Sean's old guns.
Meanwhile, charitable host Sean was seated next to his rumoured new girlfriend Charlize Theron and the pair reportedly shared a kiss on the lips and were very affectionate with one another.
The bash raised almost $6 million for Sean's J/P Haitian Relief Organisation, which was founded in 2010 to provide medical care, food and water, and develop housing following the earthquake.
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