The Big Brother producers went above and beyond to avoid any leaks this season. The house had increased security on the grounds, secret passageways were built and housemates had less contact with crew than in 2020. 2. No labels There were lots of discussions about clothing due to branding rights. The housemates went back and forth with what outfits they wanted to wear in the show. Every item was scrutinised before going into the house, which means big name brands like Nike, Lacoste and Gucci didn't have to be contacted for approval. Big Brother is BACK for 2021! (Channel Seven) 3. A huge lockdown before the actual lockdown!