Go back a couple of years and the red carpet was like touring the halls of Madame Tussauds. Kylie Minogue, Amanda Holden and Madonna all came under scrutiny for having a seemingly motionless appearance. Today, new ‘lite’ Botox techniques lift facial muscles, keeping a few cheeky lines in place, for a natural, approachable look. But if you’re a novice, we’ve unpicked the dos and don’ts of it all.