The first batch of housemates included a Catholic lingerie model, a Playboy Bunny with a law degree and a former Kylie Minogue backup singer.
But before you catch up on who's who, take a gander at some of these funny tweets and reactions below...
Why Is My Mum On Big Brother When She Said Shes Going On A Business Trip?
— Jords (@_069027) June 5, 2014
Big Brother hasn't been the same since.. pic.twitter.com/jldwCj9l7J
— Jamster (@jamster83) June 5, 2014
Meet the next housemate, homophobic Danielle who once appeared in a Learn Direct advert... #BigBrother #bbuk pic.twitter.com/iL9puv5ajg
— Celebritain (@Celebritain) June 5, 2014
Straight out of central casting, this one. #bigbrother
— Steven Perkins (@stevenperkins) June 5, 2014
Well there goes the next 3 months of my life.. #bbuk
— V I N C E!