Was adopted by Lionel Richie and his then-wife Brenda Harvey-Richie in 1990 and renamed Nicole Richie.
She is currently (2004) a member of fledgling rock band "Darling" along with model Josie Maran, and society sisters Soleil Alberti and Sofia Alberti.
Attended The Buckley School with her best friend Paris Hilton.
Has a dog named Honeychild.
Graduated from Montclair College Prep School.
Her album will be coming out in early 2005.
Is friends with singer Fefe Dobson.
Her father, Lionel Richie, wrote the song "Ballerina Girl" for her.
Had a falling out with co-star and former best friend Paris Hilton. 
Along with Beyoncé Knowles, Veronica Webb, Kelly Osborn, Angie Everhart, Alexandra Richards, Irina Pantaeva, Marisa Miller, Wyclef Jean, Rachel Hunter, Naomi Campbell and Janice Dickinson, she participated in the "Fashion for Relief" show on 16 September, 2005 in New York, a benefit for AmeriCares to support victims for Hurricane Katrina. Gwen Stefani and Gavin Rossdale were among the celebrities who attended.
Called off engagement to DJ AM.
Named #37 on the Maxim magazine Hot 100 of 2005 list.
Deejay DJ AM gave Richie a pink sapphire ring while they were engaged.
Was one of the guests at Lindsay Lohan's 19th birthday party
Is into reading and learning about different religions, something she had experience with on The Simple Life (2003) when she stayed with a family that practiced Islam.
Recorded a demo CD in preparation for her upcoming album.
Good friends with actress Mischa Barton.
Has an exotic Bengal cat named Chi-Chi-Cheeta.
Was arrested on suspicion of DUI on December 11, 2006 in Burbank, California.
Engaged to Joel Madden. [February 2010]
Gave birth to her first child at age 26, a daughter Harlow Winter Kate Madden on January 11, 2008. Child's father is her boyfriend [now husband], Joel Madden.
In January 2008, she and Joel Madden sold the first pictures of their newborn daughter, Harlow, for $1,000,000.
Announced on February 21, 2009 that she was expecting her second child with Joel Madden.
Gave birth to her second child at age 27, a son Sparrow James Midnight Madden on September 9, 2009. Child's father is her boyfriend [now husband], Joel Madden.
Hospitalized with pneumonia at Cedars-Sinai Medical Center in Los Angeles [November 18, 2009].
Was close friends with Aaliyah.
Attended the launch of the T-Mobile Sidekick 3 alongside actress pal Mischa Barton. [June 2006]
Gave birth to first child, daughter Harlow Winter Kate Madden. [January 2008]
Release of her book, "The Truth about Diamonds: A Novel".
Announced she will be designing her own line of maternity clothes. [March 2008]
Went to Ashley Margolis and Zoe Winkler's "Host a July Bash with Drinks by 10 Cane Drum", along with other celebrities. [July 2006]
Attended the Social Hollywood Bash presented by Charlize Theron to Benefit the Charlize Africa Outreach Program among hundreds of other celebrity guests. [June 2006]
Engaged to Disc Jockey DJ AM (February 8, 2005) No wedding date currently set. [February 2005]
Longtime friend of Tracey E. Edmonds. One of Tracey's sons is her god-brother.