Famous sibling: Nicole Richie
Say you, say me. Say, isn't Lionel Richie's youngest kid just adorable? Sofia is the product of Richie's second marriage and is not blood-related to Nicole, who was adopted by Richie and his first wife. Sofia currently appears on her sister's reality series "Candidly Nicole." —XFINITY Entertainment Staff (Photo by Jason Merritt/Getty Images)
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