The hotel heiress has struck up a friendship with the "SexyBack" singer - the ex-boyfriend of Paris' former friend Britney Spears - and claims he is working on a track for the pair.
Paris said: "I think we blend well and he says that he has something in mind for both of us. I can't wait."
Last month, it was reported Justin was planning to work with ex Britney. Justin - who first met Britney while starring on children's TV show "The Mickey Mouse Club" and dated her for four years until 2002 - apparently wants to give his one-time love a helping hand and rebuild her faltering pop career.
Meanwhile, in other news on this blog, Paris Hilton is going to jail for her reckless driving.