Contract for Love by Alison Grey

Single mom Sherry lives in a trailer park with her six-year-old son Jake, trying to make ends meet as a waitress.Madison's life couldn't be more different. She's been raised by her rich grandmother, and her only goals are partying and bedding women.When her grandmother threatens to disinherit her if she doesn't clean up her act, Madison has to find a way to convince her she's changed.After a chance encounter with Sherry, Madison comes up with a crazy idea that will rock both of their worlds: she wants to hire Sherry to play her fake girlfriend.