i am never satisfied with my current lifestyle and i feel ungrateful because of it

lately, i have been fantasizing of a luxurious lifestyle, and i hate that i can't get it. i recently got let go from my job, so i have no source of income to add on top of it. i want money to completely redo my room, i want to buy pretty makeup and dresses, i want fancy hair care products and nice perfumes, i want a princess lifestyle as stupid as it sounds, but i can't even afford the things i actually need such as medications and therapy. i just feel like a bum with higher expectations than i should have. especially living with my parents, i wish i could be more grateful and content with what i have, but i just can't get there. i think it doesn't help that my parents act like they are poor and struggling, but we have moved 5 times in the past 15 years, they have a tesla and van, have been working on a fully decked out tiki bar upstairs, movie room with fancy recliners, expensive massage chair in their room that doesn't even get used, very large alcohol cabinet with very expensive drinks, and annual disney trips. i'm 21, and i shouldn't be sour about it, but that's how it's always been. doctors visits have always been extremely rare even when i needed them, i never got financial aid towards therapy and medication, i've always begged for some sort of medical insurance, but the priorities have always seemed to be elsewhere. it also feels as though it's just me, and always has been. my 2 brothers are disgustingly spoiled, and my younger one recently got a $7,000 darth vader costume. i just want to be spoiled rich and happy one day, and if i can't, then i at least hope i can learn to be comfortable where i'm at :')