It's all a question of position and width with belts. We are no longer expected to wear leather belts in the day, leaving the fancy ones for night. Anything goes at any time, especially when the belt concerned is worn with jeans.
There is no point in even considering a belt before you have worked out the ideal place for your waistline. That is, does your pot belly require a waistband that cuts across it or is your bottom so large it needs to be halved by a hipster waistband?
Width of belt and buckle size can make a difference to a belt looking cool or not. Wearing a belt that hits a dodgy part of your torso will double the deformity by drawing attention to it.
Skinny little belt!