Hollywood star Keanu Reeves has dumped 28-year-old actress Lynn Collins and is reportedly dating Diane Keaton. The oatrix actor dated Collins for three months after meeting her on the set of new movie oare Ii. Keaton, 59, and 40-year-old Reeves co-starred in the comedy movie Something’S Gotta Give and were romantically linked earlier this year – before Reeves met Collins.