Watch The Only Way Is Essex Season 4 in Australia

Lauren reveals she has PIP implants during a discussion about breast surgery with Frankie and Chloe. A new girl arrives, Joey enjoys a night out with his best friend Diags, and Nanny Pat goes on a health kick. Mario talks to Lucy about the respect she has for his bachelor pad, Lydia hopes for a stress-free 21st birthday meal, while Billie and Cara try some new yoga moves - on their dogs.

Mario turns to his dad for relationship advice, Jess and Gemma tap into their spiritual sides, and Lauren Pope spills the beans on a past royal relationship. Joey holds a poker night for some friends, and Chloe jumps at the chance to style for the occasion, while there is a fright in store for the host when he is chased by Mick's chickens.

Following the previous episode's events, Cara visited Lucy to tell her about Mario's texts, which made Lucy even angrier with him. Mario, however, thinks he did nothing wrong and confides in his best friend Little Chris, who tells him he hasn't been himself for a while since being with Lucy. Meanwhile, Joey and Diags take Arg rollerskating to take his mind off Lydia, and Gemma has a gold facial treatment for her birthday party, which she pulls out all the stops for, including persuading Dino and Giorgio to paint themselves gold and stand outside the venue, acting as life-size Oscar trophies. Later on in the night, Gemma holds an award ceremony, aptly named the Gemmas, and awards Lydia "Best Dressed Female", and Joey "Best Dressed Male". Excusing themselves from the party, Georgina and Lauren P have a chat in the bathroom, with Georgina telling Lauren about how Mario has been calling her and asking her to go to dinner with him, despite him having a girlfriend, but turning him down. Then, Lucy came out of a toilet stall, said, "But still you're texting a guy who you know has a girlfriend," before leaving the bathroom, leaving Georgina and Lauren stunned. Lucy approaches Mario to talk to him about everything she's heard, but Mario defends himself. At the end, he gives her his new number, and she takes it, before walking away.

Joey and Diags persuade Lauren Pope and Georgina to go on a night out, and Diags receives a crash course in personal grooming from Chloe Sims, who reveals her secret weapon for battling acne. Lauren Pope visits her cosmetic surgeon to discuss the removal of her breast implants. Lauren Goodger hosts a clairvoyant night with a twist, and she and Lucy also attempt to bury the hatchet.

Arg hopes a skinny-dipping trip to Walton-on-the-Naze with Joey, Diags and Mario will help take his mind off Lydia, who wastes no time rekindling a friendship with new guy Ricky while attending Sam's hot-tub party. Meanwhile, Lucy receives a Bruno Mars-agram at work, and Lauren, normally a super-confident ice-queen - breaks down at the prospect of donning a bikini for Sam's bash.

Lydia and Arg's relationship takes another unexpected turn. Billie and Cara hold an `EsSex and the City'-themed Valentine's Day party - and Billie bags herself a Valentine's kiss. Mario tries to get back into Lucy's good books with some surprise romantic treats, new boy Ricky adds to his female following by announcing that he is on the market, and Lydia goes house-hunting with her mum Debbie.

Never before has the word "cocksure" been said so much on national television, but then along came episode seven of TOWIE and a cheeky chappie called Ricky..

Nanny Brighton comes to stay in a bid to help lift Arg's spirits. Chloe, Lauren Pope and Georgina make pancakes - Essex-style - Cara and Billie have an awkward chat about Billie's feelings for Tom, and Arg confronts Ricky to uncover the truth about his relationship with Lydia

Lucy and Mario have a photoshoot with new puppy Bentley, while Joey, Diags, Arg and Frankie enjoy an action-packed afternoon rope-swinging and grass-sledging. Dr Russo pays Lauren Pope a visit as she recovers from her operation, Gemma goes on a date with a new mystery man, and Arg decides to get his nasal hair waxed in a bid to impress the girls

Mario throws a fancy-dress party to celebrate his birthday - and during the evening, Jess and Lauren come face to face. Gemma waits to see whether her date will arrive at the bash. Joey and Ricky settle their differences and Lauren Pope shows the girls her new breasts. Last in the series