With a shared last name and a similar complexion, why would you question that Nicole Richie is Lionel Richie's biological daughter? But shockingly, she's not.
SEARCH: Who are Nicole Richie's biological parents?
BING: Get the latest gossip on Nicole
FIND: Check out pictures of Lionel and Nicole
WATCH: Hear "Ballerina Girl," Lionel's song for Nicole
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