The 16 new contestants from all walks of life have now set up residence in TV's most famous house.
It took just 40 minutes for one housemate to gift us with the first ridiculous meme of the new series.
Long before This Morning and Great British Bake Off came calling, Alison enjoyed a stint in the Big Brother house.
Ahead of the game-changing reality show's return, its new co-host reflects on Big Brother's legacy and looks ahead to its "exciting" future.
ITV has started unveiling the latest incarnation of the BB house ahead of its return to TV on Sunday, and it looks stunning.
About Big Brother
Big Brother' has been one of the UK's biggest reality shows ever since its initial series in 2000. Although a load of contestants sitting around a house together arguing and flirting might not sound like the most entertaining thing in the world, 'Big Brother' has provided some of the most iconic and memorable TV moments of the 21st century. Who could forget Nadia Almada's emotional big win, Pete Bennett and Nikki Grahame's ill-fated romance or the infamous 'fight night'? In recent years, the show has moved to Channel 5, where it is presented by Emma Willis, while Rylan Clark-Neal hosts spin-off show 'Big Brother's Bit On The Side'. Admittedly, it's less popular than it was in its glory days, but that doesn't stop the show's loyal fans tuning in. Helen Wood was crowned champion in 2014, in one of the most shocking and controversial 'BB' moments ever, while last year's series was won by Jason Burrill. 2017 sees producers on the hunt for pairs to take part as housemates. 2016 saw the show being relaunched with two houses, following the news producers have been granted permission to extend the compound, which is based in Elstree, Borehamwood. A 'Celebrity' series also airs twice a year on Channel 5, and it has now become more popular than the regular civilian run.