Trending Little Boys Haircuts 2021 / As little boys start growing up, it's time to let their hairstyles reflect the kind of men they 2.30 little gentleman's hairstyle. Boys aged between 10 years old and 13 years old can get quite similar haircuts and hairstyles. Little Boys Haircuts 2021 : Although some of the styles in our collection may be a bit too adventurous and trendy.