Several actors, including Rachel Marsh and Nicholas Duvernay, join the cast of "The Love Hypothesis," starring Lili Reinhart and Tom Bateman.

Following the movie trailer with Allison Williams and Dave Franco, Colleen Hoover's 'Regretting You' book has returned to Amazon's bestsellers chart.

Mason Thames tells PEOPLE that he and his 'Regretting You' costar Mckenna Grace spent time together in Texas in July to ...