My teenage daughter still likes to snuggle?

Well you really should have a talk with her, and tell her she should start to be more independent and sleep in her own bed, but if you really are shy of talking to her about that, I really am sure that when she gets a boyfriend, she will immediately stop because she will want to sleep with her boyfriend and shee will see that she does not need to sleep on you side no more. Have a talk with her, just to tell her how you feel about that, and maybe she will realise and understand you.