Pinoy Big Brother: Teen Edition 4 is the fourth teen edition of Pinoy Big Brother currently airing on ABS-CBN. The season started Easter Sunday, April 8, 2012. Toni Gonzaga, Bianca Gonzales and Robi Domingo reprised their roles as hosts, together with Pinoy Big Brother: Celebrity Edition 1 ex-housemate John Prats. Auditions were held in major key cities in the Philippines and other parts of the world. A total of 22,305 people auditioned for the season. Fifteen housemates entered this season, nine on opening night and six on Day 2.