United Kingdom, Sept. 19 -- Paris Hilton is working on a "new project" with Nicole Richie.

The 45-year-old star and Nicole, Paris' long-time best friend, are "talking now and making plans for another new project soon" - but Paris has refused to share any specific details about their latest collaboration.

The blonde beauty told Us Weekly: "Nicole and I are talking now and making plans for another new project soon, so I cannot wait.

"Nicole and I have been best friends since we [were] two years old, so all of my memories have been with her. I'm really excited for the new project that we're working on now."

Paris and Nicole, 44, are best known for their appearances on The Simple Life, their hit reality TV series. They reunited in 2024 fo...