In “Booksmart,” the Teenage Bedrooms Deserve an A+

“We have to go to a party tonight,” Beanie Feldstein declares to her best friend, Kaitlyn Dever, in “Booksmart.” “Nobody knows that we are fun. We didn’t party because we wanted to focus on school and get into good colleges.” To prove just how fun they are, the dynamic duo decide to live it up for one evening.