A lot . There is the simple pony tail , a ballerina bun , a braid , a fishtail , a messy bun , a french braid , a french twist , a half updo ( like Kate Middleton had for her wedding ) , curls , or...
you can put it up in a pony tail and cute it even and put it down and it will be layered or you could get it cute or get someone to do it for you or do it yourself but it may turn out horrible
you can wear it wavey, down, up, in a curly(half up half downbun kinda thing, more like strands) clips look good with curly hair especially when its long, just expreriment and see what you like, or...