Awesome celebrity inspired full lace wigs made of human hair are custom made at WigSiS. Hot star like Beyonce, Rihanna and more. + Jennifer Aniston looks, including Layered Cut, Leather Clutch, Evening Dress, Leather Sneakers, Skinny Jeans and more. Why Choose a Shag Hair Style? The shag hairstyle has always been a popular hairstyle, and there are plenty of shag hairstyles to choose from. Firstly we should explain exactly what a shag hairstyle is, well a shag hairstyle is.