"Big Brother" houseguest Christie Murphy tells ET Canada's special correspondent Ika Wong that playing the game with Tommy was like "having a piece of sanity there" with her, and shares that she's "upset" that her cast will be remembered for this season's controversies.SUBSCRIBE to our channel:https://www.youtube.com/user/ETCanada...FOLLOW us here:http://www.etcanada.comFacebook: https://www.facebook.com/etcanadaTwitter: http://www.twitter.com/etcanadaInstagram: http://www.instagram.com/etcanada#BB21 #BB21Finale #BBChristie