Helena,
Welcome, you've come to the right place to find help and encouragement.
As Nikki quite rightly points out, your size is going to work in your favour especially in shoes. Read here and you'll find lots who would love to have your size feet as you'll have loads of shoes to chose from right off the shelf. AS for clothes, the advice already given about not going OTT is sound. A mistake many make when setting out is to think they can dress the same as super models. keep it toned down, it doesn't have to be dull, just think smart casual, comfort over speed.
Have a good trawl through the Picture and Video forum and you'll see many good examples of what I mean. Good luck on your journey. Keep us posted.
