Victoria Beckham spends $50,000 on a tree house

Spice Girls star Victoria Beckham has splashed out a whopping $50,000 - on a treehouse, as a Christmas gift for her 3 sons.

According to reports, Victoria, 33, was spotted buying the 9ft Treetent at America's plush Neiman Marcus store - at a cost of a reported $50,000 - and is said to be the world's most expensive.

Though the expensive present may seem a little extravagant for Posh's three sons, Brooklyn, 8, Romeo, 5 and Cruz, 2, bosses at Neiman Marcus are confident it's the perfect gift for the child who has everything.

The tree house is described as a 'limited dollop of sci-fi futurism' and 'a totally new way to experience nature'. Scores of celebs are said to be desperate up to get their hands on them for their kids.

The Treetent features a hardwood floor, a mattress that can sleep 2 adults or up to 4 children and even has adjustable planetary landing steps.