10 surprising facts about Paris Hilton that some people may not know

Hilton is a trained opera singer and has studied voice at the New York City Opera.

Hilton is a licensed real estate agent and has bought and sold multiple homes over the years.

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Hilton is the great-granddaughter of hotel magnate Conrad Hilton, who founded the Hilton Hotels chain.

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Hilton's infamous "That's hot" catchphrase was trademarked in 2007.

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Hilton once donated $50,000 to the Union Rescue Mission, a non-profit organization that provides food & shelter to the homeless.

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Hilton is an accomplished DJ and has performed at many high-profile events and clubs around the world.

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Hilton has a reported IQ of 130, which is considered to be in the "very superior intelligence" range.

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Hilton was banned from the Wynn Las Vegas hotel and casino in 2012

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Hilton has a fear of small spaces and has spoken publicly about her struggles with claustrophobia.

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Hilton is a skilled equestrian and has won several competitions in horseback riding

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