Here's a look at some of the celebrities who have founded businesses outside of their acting or singing careers: Oprah Winfrey: The talk show queen started her own production company at the age of 19 and has since expanded to include films, publications, blogs, and TV series.
Rihanna: The singer started her make-up and lingerie businesses with an investment of $1.4 billion.
Paris Hilton: The socialite and reality TV star started her own perfume company, which has made $3 billion in profit over the years.
Kim Kardashian: The reality TV star and her sisters started a retail store called DASH in California with her sisters Khloe and Kourtney in 2006, and have since expanded to include souvenir shops, a Kardashian Beauty line, and a Kardashian Khaos Khaos outlet in California.
Britney Spears: The singer started her own hair and beauty line, which has made her a multi-millionaire.
Click for the full list, which includes another celeb who started a business while still in high school.
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