The new set of Pinoy Big Brother ‘PBB All In’ Housemates will be revealed today, April 27, 2014.The much awaited Season 5 of ABS-CBN reality show Pinoy Big Brother, dubbed as PBB All In, will premiere its first episode today, Sunday.Initial report say, a total of 18 housemates will enter the popular house of Kuya — the youngest housemate is 15, while the eldest is 26.PBB All In will start revealing housemates from ASAP, Buzz ng Bayan up to the live telecast of “Pinoy Big Brother: All In” at 8:45 p.m.