Wild chick: Dress, POA, Prada () bracelet, £1,150, Christian Dior () Could it be that Jessie J had fallen in love with - shocker - a man? Personally I suspected that old judgement killer: l’amour fou. There were accusations that this was a canny move that would make her more palatable in America.

‘Even vegetarians sometimes eat meat,’ she tweeted. Then, in April this year, she officially ‘came in’ during a tabloid interview, in what some would consider the most reactionary of terms, calling her earlier relationship with a woman (she was rumoured to be close to one of her dancers) ‘just a phase’ and professing that she now wants to find a husband and have children. Her candidness inspired widespread admiration (she has 6.7 million Twitter followers), allowing her to transcend being pigeonholed as simply a lesbian icon. In 2010, when she burst on to the music scene with the crotch-grabbing ‘Do It Like a Dude’ - a loud, humorous, rude (in a good way) mouthpiece for tweenage girl empowerment in a Wonder Woman-style leotard - she stated matter-of-factly that she ‘dated both men and women’. In the past six months she has been savaged on Twitter for doing a public U-turn over her sexuality. Still, Jessie J would have every reason to be a little defensive. So shoot me!’ And, as it turns out, she is sweet: motor-mouthed, bombastic, opinionated, righteous, a little pious and overly lachrymose when talking about her social concerns, but unflinchingly honest.

I’m sweet really.’ She looks hurt at being misunderstood. ‘I’m sad to say that most of the time people want me to be a bitch,’ she says, arching a raven eyebrow. There’s no rational basis for this, and yet when we sit down I accidentally blurt it out, recoiling a little in anticipation of the fallout. S I make my way to meet Jessie J for lunch in Shepherd’s Bush I have a rising dread that she’s going to be tricky.

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So Much to Learn by Jessie L. Star