BBC News Online reveals what people in the limelight have said about the lure of being famous and how it has affected them.
"Celebrity is a fantastic substitute for mommy and daddy's mess-ups. I think fame can be a high-octane, addictive thing - and I've certainly craved attention in my time - but fame cannot compensate for what you lack. Anyone who gets off on being a celebrity is sick. I mean ill, really ill."
Comedienne and presenter Ruby Wax on what she thinks of celebrity (2002)
"If someone recognises me in the street I get very edgy and start to sweat."
Actor, writer and comic Ricky Gervais on how fame makes him feel uncomfortable (2002)
"It's a fad thing, a novelty. It's like a pair of trainers, one minute they're in and the next minute they're out."
Former Hear'Say member Suzanne Shaw on how the group's fame depended on the whim of the public (2002)
"I've always loved singing, I've always loved dancing and this is the one thing that I could do to make people watch me and pay attention to me."
Pop star and Spice Girl Victoria Beckham on why she chose to go into showbusiness (2002)
"I've had successes and huge failures, which I'm glad I've had, it's part of a journey.
Nicole Kidman: Often in the limelight
"To appreciate the successes you have to have had the failures and you have to accept that it is a journey and it's not just tomorrow or the next day or next year."
Actress Nicole Kidman on her career (2001)
"There's nothing I do when the work stops. Every weekend I start crying.
Geri Halliwell: In the public eye since she joined the Spice Girls
"I just want some love in my life.
"I was just desperate for company. I thought I'd make you my friend".
Former Spice Girl Geri Halliwell to Molly Dineen, who made a documentary about her (1999)
"When you come out of rehab you usually go into secondary care. I went on Top of the Pops."
Robbie Williams has been through rehab
Singer Robbie Williams on how he dealt with personal difficulties
"If I don't get big here, I have a great place to go on holiday. And if I do get big, then I'll have enough money to take a holiday on the moon."
Robbie Williams on trying to score fame in the US (1999)
"It was a wonderful part. I got all the ladies, money, oil and big cars.
Hagman appears to have enjoyed his fame
"Being a nice guy like Bobby would have been pretty dull - and it's hard work."
Actor Larry Hagman on playing JR Ewing in TV series Dallas (2001)
"I don't feel persecuted or singled out. I know it's a game, I'm just saying I'm getting out of it."
Caroline Aherne has stepped out of celebrity glare
Actor and writer Caroline Aherne on turning her back on TV work due to media intrusion (2001)
"For whatever reason, my drinking, trying to top myself, going to The Priory, I realise that I'm a tabloid attraction. My life has been up and down like a rollercoaster."
Scriptwriter and actress Caroline Aherne on being the target of press interest due to her battles with alcoholism (2001)
"Somebody will become a star just by being on a reality show.
Jackie Collins has an insider's view on celebrity
"It is 15 minutes of fame, literally - you don't have to sleep with the president any more".
Hollywood Wives author Jackie Collins (2001)
"Big Brother definitely changed my life for the better and I would do it over again.
Big Brother's Nichola tried to launch a pop career
"I'm going to make another record soon and hopefully a dance album. I'm new to the industry and I still have a lot to learn."
Former Big Brother inmate Nichola Holt on her brief attempt to make it in the music industry (2000)
"I've never in my whole life doubted me, doubted my part in this band, until that point.
Cerys Matthews has struggled with fame
"But when I thought of going on stage in front of our fans it was like going into an exam when you know you've done no revision. Maybe it was depression."
Former Catatonia singer Cerys Matthews on the strain of pop stardom and touring (2001)
"Sometimes you get irritated if it's very personal and vindictive, and you want to give somebody a punch - that feeling lasts for about three seconds and then you get on with your life.
Kenneth Branagh: Has come to accept media intrusion
"It's just part and parcel of what we do and you come to a strange acceptance of it. If you don't like that stuff you shouldn't be in the business."
Actor and director Kenneth Branagh on press intrusion into his private life (1999)
"I grew up on movie sets and had a blast.
Kate Hudson has confidence in her performance
"I always wanted to perform and when I started acting I knew my mother would be a big reason for the attention that was drawn to me.
"But I never felt I had to 'make my mark' and I never questioned that I could do it."
Actress Kate Hudson on how she felt about going into her profession (2001)
"I still feel the only noticeable thing about being famous is that people come a long way down the carriage to sit next to you on trains.
Griff Rhys Jones appears not to mind fame
"I am probably the top man in the country for low farce acting on stage. It's not much to be top man of but at least it's something."
Comic Griff Rhys Jones on how he sees himself (1999)
"I've always wanted to act since I was five."
Daniel Radcliffe has firm ideas on his future
Harry Potter star Daniel Radcliffe on his childhood ambition (2001)