Charlotte Ronson  had some of her closest loved ones, including her twin Samantha Ronson, Rashida and Kidada Jones, Nicole Richie , and Paris Hilton  at the launch of Charlotte Ronson Beauty  at Il Sole in LA last night. Charlotte's new makeup and hair care line will be sold exclusively at Sephora , and she collaborated with friends such as Nicole and Samantha on everything from the packaging to the colors to the product names. Mindy Kaling, Lake Bell, and Nicky Hilton  were also among the partygoers. Nicole Richie chatted with her girls after composing a poem earlier in the day under the pen name "Nicole Richingway" in honor of her brother-in-law Josh Madden's birthday . Charlotte tweeted big thanks to everyone who came out for her event, which is just the latest of her star-studded bashes to celebrate her many lines.
Charlotte, Samantha, Nicole, and Rashida and Kidada Jones held up products from the line.
Charlotte, Samantha, Nicole, and Rashida and Kidada Jones held up products from the Charlotte Ronson  Beauty line.
Paris Hilton  posed on her way in.
Paris Hilton  struck a pose.
Rashida Jones and Nicole Richie  posed together.
Rashida Jones and longtime friend Nicole Richie  gave sly smiles for the camera.
The girls all held up the Charlotte Ronson  Beauty products.
Charlotte Ronson  had the support of longtime close friends.
Lake Bell posed on her way into the party.
Nicky Hilton  sported a leather top.
Mindy Kahling went colorful for the bash.
The Ronson sisters mugged for the cameras.
Nicole Richie  and Charlotte Ronson  shared a moment.
Nicole Richie  and Rashida Jones had a laugh.
Lake Bell, Mindy Kahling, and Charlotte Ronson  were photographed together at the Charlotte Ronson Beauty launch.