Paris Hilton is Back: A new TV show, A Paris Hilton App, new perfume, new boyfriend,a new CD in the works, and advice for Lindsay Lohan

Paris Hilton on Late Night with Dave Letterman, CBS

Paris Hilton on Letterman, CBS

Paris Hilton's New Guy waited in the green room at Late Night with Dave Letterman, CBS

Paris Hilton was on Dave Letterman to talk about turning 30 and to share what is going on in her life. Paris said, 'being 30 is terrific it is such a good age.' She celebrated her birthday, and her boyfriend  who gave her a 250,000 dollar Lexus. She is dating for one year, and is very happy with him. He was waiting in the green room while she was interviewed.  She  promoted  her new iPhone App by demonstrating it to Dave.   She pulled out her phone, took a picture of Dave and showed how you can have a picture of her next to your picture. She said that she designed this new Paris Hilton App for her fans.  She talked about the 30 different perfumes that she has; including Just Me for men and Just Me for women. Dave had asked her about marriage and kids, and she said that she wants kids because, 'having kids is the meaning of life'  Dave also had asked her what her advice was for Lindsay, and Paris stated,  'she wishes her the best.'