In the opening episode of the new series Binky and JP have some exciting news to share with their Chelsea friends.

As some of the Chelsea gang head to Mauritius, there's trouble in paradise for Tiff, who starts to wonder if she and Sam want different things out of their relationship.

Fredrik and Olivia's relationship hangs in the balance as Mimi watches from the sidelines. Sam and Jamie have a confrontation, while Louise and Rosie help Binky with some baby shopping.

Jamie and Sam's friendship reaches breaking point, and Olivia is shocked to see Fredrik and Mimi still flirting. Julius' love life gets complicated...

Ollie gives JP a crash course on childbirth, Julius tries to make amends with Ella, and Frankie and Jamie's relationship is rocked by mutual infidelities.

Harry plans a raucous country party, where he intends to charm Ella behind Julius’s back, while Fredrik hears about Olivia’s recent dalliances and asks Mimi out on a date.

Louise is excited to discover a jewellery box, and rumours of a Chelsea engagement spread like wildfire, while Julius reels from Harry's revelation that Ella still has feeling for him

Harry continues to cause a stir in Chelsea, as news of a flirtatious night out threatens to rock Jamie and Frankie. And it's all change in the Thompson household as Ryan moves in.

Binky and JP are back from their babymoon and blissfully happy. Ella is eager to put a label on her relationship with Julius, and there are more rumours about Jamie's infidelities.

At Binky and JP's baby shower, Ollie invites an old friend for a surprise reunion. Jamie and Frankie take time apart, but Jamie loses his cool with Harry.

Rick Edwards is back to grill the entire cast at the End of Season Party. There are arguments, revelations and even a shock break-up!