Selena Gomez played the female lead in The Fundamentals of Caring.
Selena Gomez . Gomez has also starred in the films The Fundamentals of Caring ( 2016 ) , In Dubious Battle ( 2016 ) , and in the Hotel Transylvania films . The Fundamentals of Caring is a 2016 American comedy-drama film written and directed by Rob Burnett , based on the 2012 novel The Revised Fundamentals of Caregiving by Jonathan Evison and stars Paul Rudd , Craig Roberts and Selena Gomez .