Paris is the great-granddaughter of Conrad Hilton, the founder of the Hilton Hotel chain.

What is the net worth of Paris Hilton?

The 30-year-old star is talking dollars and cents (she says her products have grossed $1.3 billion in the last seven years) and recently discussed her growing business empire with Britain's FHM magazine.

She said that despite already having 17 different product lines, she is planning further expansion.

She said: “I’m involved in my products every step of the way. My fragrances are doing really well at the moment. They’ve produced more than $1.3 billion in revenue since 2005.

“I have 35 stores and 17 product lines. And then there’s my racing team, my 14 fragrances and my new project – the Paris Hilton Beach Club chain. The first one is opening in the Philippines soon. It’s going to have nightclubs, restaurants, bars, gyms, everything really.”

The full interview and photo shoot with Paris appears in this month’s FHM Magazine, on sale on January 5, 2012.

So - how much of that money does Paris keep?

That number is not exactly clear, but she's already flush with old money from the family, and when you combine that money with her earnings, Paris has has an estimated net worth of $45 million dollars, according to reports.

Paris is the great-granddaughter of Conrad Hilton, the founder of the Hilton Hotel chain.

(Image: WENN)