Female? Put on blusher high up on your cheeks out towards the edge of your face. Get a highlighter and put a little underneath the blusher on your cheekbone.
Compression capris can make you look thinner. They also help hide trouble areas.
I believe you meant 'does wearing black make you look thinner'...the answer is yes. The opposite is true if you wear white.
You may remove the fat by radio frequency treatment from beauty clinics or just use blush to contour your face.
One way to make your lips thinner is to have cosmetic surgery. You could also try putting on makeup to try and make them look thinner, such as a lip pencil.
lost cause
You really shouldn't as it will just make your face look rounder. If you feel your face is chubby then you should keep your hair longer at the sides as it will draw your eye down and make your face look longer.
Convex mirrors make objects appear smaller and closer than they actually are. This distortion can make you appear slightly thinner when you look at your reflection in a convex mirror.
I recommend a short bowl cut or a wavy, shoulder-length hairstyle. You will probably want flat hair, so you will need a straightener. If your hair has too much volume, it'll make you look big all over.
A long mirrors can work.
The black suit should make you seem thinner already and the tie-shirt is up to you. Anything would look ok with those eyes.
Diet Wear Black
The theory is that darker colors make you look thinner. It works for me.