Denise Richards has welcomed a new daughter, Eloise, who she adopted domestically, her representative confirmed to OnTheRedCarpet.com.
The actress has two daughters with her ex-husband Charlie Sheen, Lola, 6, and Sam, 7.
Richards, 40, named her daughter Eloise Joni Richards. Eloise was a name she chose with her daughters and Joni is her mother's name.
"Thank you all for your sweet messages. The girls and I are over the moon and so is my dad Grandpa Irv," Richards wrote on Twitter on Wednesday.
Richards is known for movies such as "Starship Troopers," "The World Is Not Enough" and "Wild Things." She also stars in the Spike TV series "Blue Mountain State." She and Sheen played an on-again, off-again couple in the 2001 romantic comedy film "Good Advice" and were married between 2002 and 2006.
Sheen has been making headlines in recent months, mainly due to his firing from the CBS sitcom "Two and a Half Men," which occurred following a rehab stint and a slew of erratic, on-air rants.
Richards is releasing a book based on her relationship with Sheen, entitled "The Real Girl Next Door" which is set for release on July 27.
Sheen and third wife Brooke Mueller married in 2008. They are parents to 2-year-old twins, Max and Bob. The couple divorced in May.Richards recently appeared in the comedy "Cougars, Inc.," which was released on DV on May 10 and also starred James Belushi and "Modern Family" actress Sarah Hyland.
In December, the actress was romantically linked to Nikki Sixx, bassist of the rock band Motley Crue. Richards also dated Bon Jovi guitarist Richie Sambora between 2006 and 2007.