Is anyone faithful any more?
American writer Pamela Druckerman knows all the rules of infidelity. She spent three years studying adulterers, from Paris to Tokyo. She tells Polly Vernon why she thinks us Brits are getting it wrong.

Sex! Sleaze! Scandal! All the fun of the affair
From the Sarkozys to Sven, celebrities are cheating as never before. Not that we're interested, of course, says Jessica Hopkins.

Inside the mind of the married man
What do blokes really think about domesticated sex - and affairs? We asked five men about cheating, lusting and life with kids. By Edward Marriott.

'I cheated because I believe pleasurable sex between consenting adults is no big deal'
Lisa Hilton's 'cheating career' began in her teens. Now 31, she looks back in languor at the pleasures of the forbidden and the thrill of transgression.

Look into his eyes
He's the former stage hypnotist who got rich preaching a simple anti-diet message to the overweight. It's a scam, assumed Rachel Cooke - then she met Paul McKenna. Three weeks later, her waistband felt looser ...

The Speak Out debate: Is the high street killing British style?
Video: Hadley Freeman gets the industry lowdown from designers Katharine Hamnett and Bella Freud, and fashionistas Penny Martin and Charlie Porter. Sponsored by Volvo C30.

'I didn't like being a celebrity. It's a service job. Like washing toilets'
A child star, quirky as her music, Björk has spent 30 eccentric years making records. She tells Polly Vernon about egg-laying, a fearless love life and binge drinking.

This woman can make you happy
For 25 years, the clinical psychologist Dorothy Rowe has helped millions out of depression. Now she tells Louise Carpenter about her own tormented childhood and marriage - and why happiness is a state of mind.

Help! I've found a grey hair ...
Jo Hansford, Britain's leading hair colourist, answers your hair questions.

Beauty queen
Kathy Phillips: All you need to know about cellulite and weak nails.

Body and sole
Can these sandals really tone your bottom and legs? Alex Clark tries them on.

The beauty test
Kathleen Baird-Murray tests super-creams, blushers and organic skincare.

Upfront
Everybody's talking about ...

How not to look good (semi) naked
Summer fashion crimes committed by men? Polly Vernon hits them where it hurts.

Most wanted? Miu Miu
We know it's summer, but the fashion world is already thinking autumn ...

Fashion icon. Film. Musical.
Everyone's talking about Grey Gardens ...

How I get dressed: Nancy Dell'Olio
The lawyer, '37', on tracksuits, the colour red, and playing her own fashion game.

What I know about men ...
Hilary Duff, 19, pop star, single.

What I know about women ...
Irvine Welsh, 48, novelist, married.

The ex-files
Lelah Piche and Chris Spearpoint

My ego massage in a bottle
Who cares that it's fake if my tan makes the postman ring twice, says Kathryn Flett.