The Diary ng Panget tetralogy (Diary of an Ugly) is a series of romantic comedy novels by a Wattpad author under the name of HaveYouSeenThisGirL. The original, unedited story was first posted on the online literary site Wattpad. The story was split into four books and topped the rankings on the bestseller's list of Philippine publications in major bookstores.

On September 2013, during the Manila International Book Fair, Viva Filmsannounced their acquisition of the title and its long-awaited film adaptation to hit theaters in 2014. This is the first movie adaptation of a story first published in Wattpad.