How can i get hair like rihanna?

I'm mixed race(12 yrs old) and want a new hairstyle for my next school, i have shoulder length curly hair witch is really hard to handle.ive thought about relaxing my hair before but don't like the way the hair do sent look naturally straight and the damage it does to your hair then i saw Rhianna's hair witch looks really good.So does any one have any ideas how i can get my hair like Rhianna's or if there are any easy hairstyles for my curly hair that look good? please answer