Should i go to this party? [someone answer please]?

Ok. Im a teen[16], and my friend is havin a party [30 ppl or so] and theres going to be beer/liquor and weed there. [[&im only planning on drinking.]] but i already have a drug bust on my record, and if i ***** up again i get exspelled from school and only god knows wat else. but i mean, i really wanna go and have fun, im jus so scared that the cops are gunna come and break it up and take me in or take me home. wat should i do?