My Друзья say that Selena seems a little girl...

Well Ты obviously don't think that so just say to them i don't really think that and just get over it или Ты could Показать them some pictures and say but shes not 10 или 11 shes 19 still a teenager. или just ignore them

Well to be honest all that really matters is that Ты like Selena. If they have different opinions and dislike her then there is probably not much Ты can do to change their minds. In my opinion Selena is awesome!!!!!! She has a great sense of style and she does not look 11.

Показать them the spring breaker pictures LOL she is so not 11

Ты could say that's my fav singer and she does not