Should I get a professional sunless tan as a black girl?

I’m brown skin, but my skin is super uneven. My chest/ boobs are very light while my stomach is SHADES darker with patches of even darker skin. My thighs are brown, my calf’s are light like my breast. My arms are light/ brown and my hands/ feet’s are light with dark patches on my feet. My butt is darker than.. the rest. Will a tan give me an even skin tone? I just want a nice brown like my thighs. My skin looks horrible & though my boyfriend doesn’t complain when I send him pictures I just think my confidence would rise if it was even...