Can i start up dance again as a teenager?

I used to be a ballerina for about 8 years then i quit, i'm now 15 and im a 3 sport athlete but something about it just doesnt make me all that happy.. i watch so you think you can dance and it just makes me want to go back to dance and move like that again, its such an art but im afraid that i'm too late to ever be really good again because i lost all my flexibility and stuff.. and i cant just leave behind my sports, i just feel like if i never go back to dance ill regret it a lot. any suggestions?