[gallery]Do you ever look at celebs on the Red Carpet, in winter and (British) summer, and wonder how the goosebumps don’t show in the images and how they strut their stuff for the cameras looking serene and untroubled by the freezing air. Apparently it was really cold in Los Angeles for the Oscars (and really cold in London for the BAFTAS), yet nothing deterred Anne Hathaway, Natalie Portman, Cate Blanchett, Scarlett Johansson, Reece Witherspoon and the rest, from baring pretty much all for the benefit of the paparazzi and autograph hunters. How do they do it?