Lee released his sixth album, "Ripe", on 18 September 2007 with Benji Madden and Mandy Moore making appearances. Mandy Moore sung a light-hearted, '50s style duet with Lee called "Birds and Bees". "Mandy was very sweet and did her best Olivia Newton-John for me. I'm really psyched about this recording," Lee says. Madden helped out with some backing vocals, along with US band Rooney and Sara Watkins from the band Nickel Creek. "American Television" from the album was used in a VH1 advertisement for "Flavor of Love 3" and the song "Ripe" appeared in an episode of "One Tree Hill" (Season 5, episode 2).