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The pop diva spent more than $US32,000 ($A30,513.97) in one hour during a trip to London and bought a jewel-encrusted fingernail ring for $US36,000 ($A34,328.22).
Her biggest overdo to date is said to be the exclusive Bugatti Veyron Grand Sport car that she bought for husband Jay-Z for his 41st birthday at a cost of $US2 million ($A1.91 million).
OK Magazine names her as number one but Oprah Winfrey is a close second.
Star Daniel Radcliffe owns three multi-million dollar homes in New York City..
David and Victoria Beckham are spending a reported $US150,000 ($A143,034.23) a month to rent Steven Spielberg's Malibu beach house in spite of having their own lavish mansion just miles away.
