AceShowbiz -

Pippa Middleton compares her bottom to Kim Kardashian's famous derriere in an new article written for The Spectator's Christmas Special. She writes, "No year is complete without a bottom story, and the 'Rear of 2014' award undoubtedly goes to Kim Kardashian, after her posterior exploded all over the internet last month."

"I must say that mine - though it has enjoyed fleeting fame - is not comparable," Pippa, whose backside became a hot topic in 2011 when she wore a tight-fitting bridesmaid dress at her sister Kate Middleton's wedding, admits. "But the Kim butt story did make me pause," she adds, "What is it with this American booty culture? It seems to me to be a form of obsession. Kim's aim, apparently, was to break the internet, but I'm not sure she's going the right way about it."

In the article, Pippa also talks about her latest hobby, truffle hunting. "A few days ago I went truffle hunting in Piedmont," she shares. "My guide was a brilliantly sharp-eyed Italian, Mario, whose dog Rex did the snuffling. Mario told me that dogs are better trufflers than pigs because pigs often eat the truffles before you can get your hands on them."

She continues, "We (or rather Rex) found two, and I have been devouring truffle since I returned; I've had it with scrambled eggs, mashed potato, pasta and even just straight onto toast. I didn't think it was possible to get bored of something so expensive, but I must say I'm a bit truffled out, and my flat now smells of truffles. That's what people call a first world problem, I know."