I'm 15 and I need help with my room?

Im not sure if I should get a loft bed with couch and pc desk under it or just a bed ,desk and couch ? I need tips how to redo my room and make it look my teenish and not babyish right now my room is pink any ideas wut colorto paint it I was thinking white and splatters of diff colors also wut kinda furniture ahud I have help?! Thx