Unfortunately 'image' is a factor in this industry however, having gone through Virgin Atlantic selection and training recently (well, about a year ago), they are far more interested in personality and someone who can maintain the safety of the aircraft, crew and pax.
Paris Flyer - just be yourself. They weren't all '18, blonde, big boobs and small waists' at the selection interview, if they were and had no personality, they didn't stand a chance.
Dr Phil - totally correct, but the bigger crew are usually seniors that have been there years and have let themselves go, eating several pax meals per flight... Sorry, but true.
LDF