If you are looking for movies like Beastly these could be interesting candidates. The closer two names are, the greater the probability the two movies are similar.
Beastly I Am Number Four Push Just Go with It Date Night Fragile The last song Charlie One Day City of Bones Harry Potter and the deathly hallows Agent Cody Banks She's Out of My League The Secret of Moonacre Crazy, Stupid, Love. Grown Ups Ae Dil Hai Mushkil Remember Me Chronicle Kal Ho Naa Ho The 5th Wave Dear John Something Borrowed Green Lantern Rise of the Planet of the Apes Knight And Day Dead Birds Lootera Promise To Endure Code 8 Bring It On All Or Nothing Never Back Down The Darkest Minds Jack & Jill Just Wright Love Comes Softly Case 39 Twilight New Years Eve Eclipse Mind Games Charlie St. Cloud She's The Man The Lizzie Mcguire Movie Arthur New Moon Bad Teacher Jack the giant slayer A Cinderella Story: Once Upon a Song