Help!!! it's hard for me to decide ?

I am in my 20's and people think i am younger like around 13-17


i am skinny (105 pound and my hight is 5' 3'')


so it is difficult to choose some suitable clothes for myself!


i always wear long sleeves to hide my skinniness! i dont know but i just think i will look more younger because i have a thin frame bodyshape


plz help me with this:


what type of clothes will look good on me?


I guess i am skinny like her:


http://images.google.com/imgres?imgurl=h...


also tell me if wearing shorts like this: http://upload.wikimedia.org/wikipedia/co... is a good idea or not ?


thank you i am just lost in my style plz help me

Help!!! it's hard for me to decide ?
no, not really,