Big Brother 'Big Brother' Season 21 houseguests announced by CBS, includes 'The Bachelorette' bachelor Luke Pell's ex-girlfriend Holly Allen 06/17/2019 Big Brother has revealed the 16 houseguests who will be competing on Season 21 this summer! Read More RELATED NEWS 'Big Brother' alum Christie Murphy expecting first child with wife Jamie Martin'Big Brother' winner Jackson Michie marries Caitlin Goodrich in Tennessee'Big Brother' alum Christie Murphy marries Jamie Martin in romantic Tulum wedding TAGS: The Bachelor The Bachelorette Big Brother David Alexander Holly Allen Nicole Anthony Tommy Bracco Julie Chen Kathryn Dunn Kemi Faknule Cliff Hogg Ovi Kabir Nick Maccarone Jack Matthews Jackson Michie Jessica Milagros Christie Murphy Luke Pell Sam Smith Analyse Talavera Isabella Wang Stassi Yaramchuk, The Bachelorette Ghosted