a sophisticated and sleek 'Mad Men' 60s-style theme. Official house pictures were released on 5 May 2015. The kitchen was gold and had a 60's vibe to it; the living room was in the centre of the house and featured a large orange circular seating area to replicate the Big Brother eye; the bedroom was situated next to the living room and had four double beds and six single beds, and there was also a large dressing room and vanity mirror with a large table; the bathroom was coated in dark wood with a rocky glass shower and large bath with an aquatic wall; the garden went for a copper look with an outdoor seating area and a large glass door which leads into the main part of the house – the pool is also considerably larger than previous series', and is situated on its own island; the garden extends up a flight of stairs to a recreational 'sky room', similar to Big Brother 14's treehouse and Big Brother 15's pod. Pictures of the diary room were unveiled on 11 May 2015, a day before the launch of the series. The egg-shaped chair has a red leather seating, cradled by a gold exterior. The wallpaper on either side of the room each resemble a clock face to replicate the interior of the Elizabeth Tower in London. Housemates Ahead of the launch, on 7 May 2015 it was announced that the official list of Housemates would be released two days before the series begins. This was the first time that the Housemates entering was made public knowledge prior to the launch night; in previous series', the Housemates would be unveiled live on the night. Keeping with the Timebomb theme, a countdown began at 00:01 on 8 May 2015 on the official website. It ended two days later on 10 May, and the identities of fifteen Housemates were unveiled. 15 Housemates entered the House on Day 1. Three new housemates entered the house on Day 18. House guests Following the eviction on Day 25, Willis revealed that former Housemates would be returning on Day 32 as part of "Time Warp" week, joining a fake-evicted Housemate in the "Secret Lair", also known as the "Timebomb Bunker" for 48 hours. The returning Housemates will then enter the main house on Day 34 as "House guests". As well as these three, a number of other