You've picked the blue door! Register your details below for your chance to win.
From the 27th of January, Marty and Steph will be drawing one winner from each door that will get to fly to the Gold Coast with a friend, tickets to Dreamworld and the best Big Brother experience you could ask for.
Keep following one of the best and most addictive series on TV right now. Big Brother Australia, every weekday at 4.30pm on TV3.