Watch Plastic Surgery Undressed

It's the second most popular surgery for women in the UK, and many argue there is nothing cosmetic about it. Bad backs and unwanted attention are just two of the problems faced by those with big boobs.

By the age of 30, up to a third of those with male pattern baldness will be losing their hair - and for some it has a devastating impact on their confidence, affecting all areas of their life. Now that celebrity hair transplants are discussed publicly, it's seen by many as the solution.

In this episode, top surgeon Amir Nakhdjevani talks the surgery seekers through a tummy tuck procedure as he operates on his patient, Hannah. Each seeker is accompanied by a friend or family member with a strong view on their surgery plans.

Sophie is 24 and has always hated her boobs. Now she's paying surgeon Amir Nakhdjevani to give her the breasts, and the confidence, she has always wanted. And four potential surgery seekers are getting a ringside view of the entire procedure. They are all accompanied by a friend or family member who has their own views on their operation plans.

18-30-year-olds have never felt under more pressure to have a certain physique - a BBC-commissioned poll of this group revealed that 55 per cent felt reality TV and social media have had a negative impact on their body image. 25% of respondents said they would consider liposuction, of which liposculpture is one method.

Dannan has been told his nose looks like a Dorito, Ethan wants to feminise his nose as the first step towards transitioning, Nikki still carries the memories of cruel school taunts, and vlogger Marley - a make-up contouring master - still feels he has to apologies for his wonky nose on YouTube.