Sooo.. I Have A Serious Question Please No Trolls?

So I Wanna Move To New York City To Chase My Dreams Im 15 Im About To Be 16 In A Couple Of Months And i Wanna Move To New York City Cause I Wanna Be A Model For IMG Models Im Willing To Put In The Work I Really Am!!!! And I Could Stay At My Grandmas House And My Grandma Said Its Fine But My Mom Doesn't Want Me To Go Last Year When I Was Like Dying To Go I Was 14 So Last Year She Used Excuses Like "She'll Be Gone All The Time" And Your Just Too Young I Believe In Myself I Really Believe I Can Do This And To Be Honest The Person That Really Made Me Believe In Myself Is Kanye West Even Tho i Dont Know Him But He Has Said Stuff Like "You Can Do Anything You Wanna Do" Or NEVER Give Up On Your Dreams And Please Dont Say "Just Wait Till Your 18". No i Wanna Do this Now I dont Really Think She Believes In My Greatness And Since ill be 16 i Could Finally Stay Home Alone Mulitple Days So My Question Is How Do i Convince Her In Letting Me Go and Please Dont Comment About My Grammar I Know Its Bad im Working on Improving It