She’s usually a model of poise as she poses and pouts for the paparazzi.

However Paris Hilton has shown she can by as clumsy as the rest of us, even if she had swapped her trademark vertiginous heels for a pair of trainers - not footwear usually associated with danger.

The socialite was attempting a quick exit from a music store in Prague, the Czech Republic with boyfriend Benji Madden, when she tripped over a step, fell face down and banged her ...