Nicole Richie has gone through many transformations and the one she's most proud of is, being a mom.  The 27-year-old was known for hard partying, hanging out with Paris Hilton, drug use, and there's that little issue of her DUI.  Not a great track record, but she's definitely turned herself and her life around - and she owes it all to her baby girl, Harlow Winter.  Read more here!