How to ask my parents to have an after high school graduation party with alcohol for me and 3 of my friends?

Ill be graduating high school today and my parents are having a party on sunday, that will include 20 relatives and 3 close friends. I want to know HOW TO ASK them to let my 3 friends sleep over so that we can drink.

DONT SAY I CANT DO THIS OR THIS IS ILLEGAL OR SAY THE AMOUNT OF TROUBLE MY PARENTS CAN GET IN
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