‘She’d started singing when she was five and her parents supported her.There was a Beyoncé train on the fast track to fame and you were either on it or off it.But they were married on April 4 in New York City on the rapper's penthouse terrace.

Since first meeting each other nearly 20 years ago, Bey and Jay have become one of the most successful, famous, richest and adored couples in the world.

But when you're in a billion-dollar relationship, there are plenty of lows to go with the highs.

The new book outlines the affairs which rocked Beyoncé’s homelife.

‘She loved her daddy,’ one friend explains, ‘but she wasn’t blind to the pain he caused her mother. She grew up learning not to trust men.’‘Every penny went into Beyoncé’s career,’ Lyndall explained.

The couple had a baby, Blue Ivy Carter, on January 7, 2012.

She is one of the biggest superstars on the planet: a £500 million pop powerhouse who is known around the world by just her Christian name, counts Barack and Michelle Obama as friends and was personally chosen by the President to perform at his inauguration. Meticulously packaged, groomed and marketed, she slavishly controls her public image – so it was a rare glimpse of the real woman behind the impenetrable mask when last week she snapped ‘Stop it’ at an assistant fussing in an attempt to stop her falling out of her pink couture outfit at a glittering charity event in New York. Her first love, Lyndall Locke, who dated the singer for a decade from when she was a 12-year-old wannabe until they split when she toured the world with Destiny’s Child, said she had always been fixated on the pursuit of fame – and the ‘simple girl from Houston’ rapidly became a ‘control freak’.‘She was focused and knew what she wanted,’ he says.

Lyndall says he experimented with marijuana and alcohol but his girlfriend was never tempted.

‘Beyoncé told me she would never smoke or drink because that would hurt her voice.

‘Let me tell you, there was no messing with Big Mac.