What's really happening with Sienna and Rhys? Are you as shocked about their reported break-up as much as we are? Read our exclusive interview and see how loved up they were not so long ago...

Beautiful, successful, and with an incredible wardrobe – by rights, we should loathe Sienna Miller, 26, but, finds Louise Gannon, she’s really rather lovely.

Sienna Miller is looking way too perfect. The blonde hair is tousled, the eye make-up is decadently smudged, the face is delicately gorgeous and the body is Modigliani thin in drainpipes, vest and grey silk shawl. Smoking a Marlboro Light and drinking bottled beer, the whole vibe is very Marianne Faithfull circa 1966 (‘Oh, God, I love her!’) – minus a young Mick Jagger. Instead, waiting patiently, is a loved-up Rhys Ifans, who has spent four hours mooching about at the ELLE shoot just to catch the odd moment with his girl (although being greeted by a delighted Sienna wearing a pair of briefs and a man’s leather jacket seemed to make his day).

Sienna leans back on the sofa and bursts out laughing. The laugh is pure jolly hockey sticks, Famous Five. Instantly the too-cool-for-school image evaporates into super-friendly girl next door. ‘Oh, God, people always get the wrong impression of me,’ she coos. ‘I’m so not perfect. My top half is looking pretty good at the moment because, for the first time in my life, I’m exercising [more of this later], but you should see my bum. It wobbles when I walk. Seriously. I have a lardy arse. I have days when I wake up, look in the mirror and go “yuk”. And I totally have bad hair days – why do you think I own so many hats?’