Try on Mariah Carey hairstyles. We provide easy "How to style" tips as well as letting you know which hairstyles will match your face shape, hair texture and hair density.Mariah Carey is always seen wearing beautiful and classic hairstyles. Although her hair is sometimes extra long, and sometimes shorter, the styles remain current. Carey as seen here, takes advantage of her length by incorporating a middle part. The ends of her hair have been styled with bouncing curls and waves.