HOW DO I BECOME A SINGER OR CLOTHE DESIGNER!!

Hey every1 my name is hazel and i am 12 years of age. I like singing and designing things and i so wish 2 become any1 of those things in the near future.i haave had people tell me and encourage me 2 go 4 my goal in life. Go 2 school study hard and all that but i find it so hard at school. I know going 2 school and learning and things is the only way i am going 2 learn but it is just 2 hard. I just wish that i could just not matter about school and just be a SINGER or DESIGNER or something. Like those people on tv, those models. Oh well dat is just my wish and my dream and goal that i will strive 2 get 2 in life and if u have any info on these things can u please send me some info or e-mail me thanx.