Cassie Rocks Curly Hairstyle. R & B singer Cassie decided to switch things up this year with a new curly hairstyle. Still keeping her one side of half shaven hair, she updated her look with a new curly do. She tweeted about her new look by simply saying “New Year.” Who knew that underneath those straighten tresses, Cassie had such beautiful curly hair. Peep her new look after the drop. Do you love Cassie better with straight hair, or with her new curly look?