Christina Lauren is the combined pen name of longtime writing partners and best friends Christina Hobbs and Lauren Billings, the New York Times , USA TODAY , and #1 internationally bestselling authors of the Beautiful and Wild Seasons series, Autoboyography , Love and Other Words , Roomies , Josh and Hazel's Guide to Not Dating , The Unhoneymooners , The Soulmate Equation , Something Wilder , The True Love Experiment , and The Paradise Problem . You can find them online at ChristinaLaurenBooks.com or @ChristinaLauren on Instagram.