How do i tell my mom?!? there is NO way to put it nicely!!!!!!!!!!!?

ok so im 13.... u can estimate how old my mom is and she still dresses like she is 18... u kno like w/ white pants and cut off tops sho she can show off her BELLY ON RING!! its not conservative and its tottaly 90's!! and u can even tell she wears a thong... hugely embarring!