Outside of these storylines, Proudlock's "bromances" with the other male cast members has become a popular part of the series, leading to several parodies and celebrations at End of Season episodes.
Initially being part of Spencer, Jamie and Hugo Taylor's group, he soon developed a close friendship with Francis, and moved in with him and Jamie, becoming "The Lost Boys." Upon moving out, he struck up a similarly close bond with Stevie Johnson, the two becoming known as "The Bowery Boys." The two remain housemates, though Stevie no longer features within the series and Proudlock's hiatus means his appearances are limited.
Sophia was last seen on Made In Chelsea in 2013, when it looked as though romance might blossom between her and Francis Boulle – following a tense love triangle between the two of them and Oliver Proudlock as they vied for her affections.
Sez dirty chat rooms - Are proudlock and sophia dating
The series begins with Proudlock and Jamie caught up in Spencer's feud with Francis.
After Jamie's hotel party, Proudlock meets with Jamie and Spencer and tells him they're going to live with Francis.
Spencer assures her he is trustworthy, but we already know something is rotten in the state of Sloane as self-confessed ‘player’ Lucy dumps Andrew for ‘more of a bad boy alpha male’, which can only mean Spencer.
Next week’s clips look predictable and watchable as ever.
And with a fake tan that could blind a man at 30 yards, surely someone must have seen him. It’s the morning after the launch party of his tell-all book, Laid in Chelsea, and when we finally do catch up 24 hours later, it all becomes clear: “Oh God, I think I’m still hungover,” he gushes.
“It was a complete write off yesterday.” And who can blame him for getting stuck into the vintage bubbly?
‘I gave birth to a beautiful baby boy – 17.11-15 our little angel. Sophia did not reveal the baby’s name, but did share a snap of her holding her son’s tiny hand.
She kept news of her pregnancy low-key on social media also, with only occasional references to the fact that she was expecting.
He also reveals Sophia has contacted him, revealing she was unsure of her feelings for Francis and has left the country. The next day, Spencer confronts Proudlock, Jamie and Francis at the estate agents' about the housing situation, though they've already signed contracts on Proudlock's insistence they go ahead with their plan anyway, and Spencer angrily walks out on his two best friends.
At Proudlock's studio, Josh Coombs comes in to pick up his stuff after being fired, though the two remain friends.
The 25-year-old shared a photo of her baby's tiny hand and hers, she wrote: "I gave birth to a beautiful baby boy - our little angel.