I am super confused.....i dream real big...?

i am a saggi female and since childhood i have dreamt really big.like yestreday i had a dream of performing at times square n then really living a high life .i am 19 n aspire to become an actress well someday,or maybe a very succesful entrepreneur,i have friends in ma cl who r pretty n some have done a few modelling ignments ,bt den not many know that i'd like to be in front of the camera in the cl too though i rap n stuff ,i love to entertain basically.i am studying for an mba so i can have a steady career to rely back on so what do i do ?do an mba n then think abt ma big acting dreams or start frm now or wat?i mean i jyst dream way too much and way too big.i hope they all come true.