Paris Hilton didn't seem to notice that she'd lost $100 during a shopping spree in L.A. yesterday.
The valuable dollar bill seemed nothing but small change to the star as our spies spotted it wedged down the side of her driver's car seat.

Paris - who is a heiress to millions from the Hilton hotel chain - spent some hard earned cash during the trip, leaving a clothing store with bags of shopping through the back door.
The Simple Life star also showed off some bling - wearing a huge diamond watch and carrying a diamond encrusted mobile phone.
See more of Paris and her shopping spree below

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