Kim Kardashian has some competition when it comes to super-sized derrieres, from an unlikely source... the Royal Botanic Gardens in Kew.
The double coconut seed, or coco de mer to use its full title, bears more than a passing resemblance to a a pair of buttocks.
Measuring around 30cm x 30cm, the seed, which was shipped from Singapore Botanic Gardens to west London, is the largest in the plant system.
The seeds are 'recalcitrant', meaning that unlike most seeds they don't live long after being dried.
So after a quick check over by Kew's quarantine team, it was whisked away by the gardens' head of glasshouses Nick Johnson and planted behind the scenes in the tropical nurseries.
Mr Johnson described the arrival of the 7.5kg seed as a "once in a generation" event.
He said the species had male and female individuals so staff in Singapore had to grow two plants, get them to flower at the same time and pollinate them by hand before leaving the seed to grow on the palm for around eight years.
He said the seed's impressive proportions made it the most unusual one he had ever encountered during his time at Kew.
It is being grown in a secret location at the moment but should it sprout a shoot, which is a big if, it will be made the centre of a major display at the gardens.
Kew Gardens is no stranger to bizarre plants. In April, the world's largest and possibly stinkiest flower - the titan arum - burst into bloom , though you had to be quick if you wanted a sniff as it only stayed in flower for about four days.