PICTURE EXCLUSIVE: Madonna suffers wardrobe malfunction as she flashes her thong during a London bike ride.

Last week she suffered an awkward nip slip as she sat FROW at NYFW with daughter Lourdes.And Madonna's spot of bad luck continued as she was spotted flashing her rear during a bike ride through London with her personal trainer.The 58-year-old Material Girl singer donned a sporty ensemble, but accidentally flashed more than she bargained for.
The joggers appeared to be a bit too low-cut, and she gave passers-by plenty to look at as she exposed her derrière and thong.
Tying her blonde hair into two low buns, she donned aviator shades as she took to the roads with her two personal trainers. See pictures

Source DailymailUK