Im a very young pretty girl, 17 but im rather curvy people say i should be a model but i know im too fat?

Basically i have been told i have a very stunning and have an unusual face good enough to be a model for a campaign i have even been model scouted and im also photogenic the only problem is my body in clothes i can style myself well for my shape so i look Good but i don't like my body out of clothes... i feel too fat i range from sizes 10 all the way to a 16 depending on where i buy from but i always just feel fay and horrible when people say i should be a model?? help should i loose weight so that i can actually become a model???