Nicole Richie's bio on her Wikipedia page describes her as a "socialite, actress, author, singer and TV personality," active from 2003-present. We aren't sure how true any of that is, but she turns 28 today. Happy birthday, Nicole!

These days, Lionel Richie's daughter is perhaps best known as a mother herself - she and Joel Madden are parents to Harlow, 1, and Sparrow, two weeks.

Hey, it could be worse than being known as the mom of two of the cutest celebrity babies around, right? Here's a little photo tribute to the birthday girl: