The colour of the image is monochrome this shows the contrast between light and dark, which may link to 50 cents bad and good parts of his life.
there is a line separating him from his past, the picture of fingerprints which connotes prison and crime ect, this means that he has changed his life around and is now a multimillionare rolemodel who is respected around the world.
The text 'i am who i am' is very large and spans across the middle of the advert, this may imply that reebok are enforceing people to be themselves.
The picture of 50 cent is a medium close up, this allows the veiwers to see the serious expression on his face, which may infer his charicteristics as a famous person.
the fact that the shot is a medium close up enables the audience to clearly see his face which may persuade fans to be interested in the advert.
we can see a studio shot of 50 cent, which gives a clean feel to the advert, this creates a focus on 50 cent and not anything else.
there is a low key lighting set up on 50 cent, this creates a very serious mood which could reflect 50 cent's life story backed up by a quote from him.
50 cents facial expression and body language connets that he has power and authority.