Article continues below advertisementBestselling author duo Christina Lauren are officially heading to Hollywood - and they're still processing it.During an exclusive chat with OK!, best friends and writing partners Christina Hobbs and Lauren Billings recall the surreal moment they discovered that Rob Lowe had been cast in the Netflix adaptation of their 2019 novel In a Holidaze, while also highlighting their recent partnership with K-Y to co-create an original short story centered on modern intimacy."We didn't know that Rob Lowe was finalized until it hit Deadline," Christina shares.