What should i do for this

I am turning 17 on saturday, what do u think u think the theam of he party should be? an should i be aloud to get the presents i want? i told my mom i wanted - a limited edition BMW 645 convertible, a coach edition range rover, a IWC editon mercedes CLS, a 6 door escalade, lamborghini limo, 200 pairs of air jordans, dior sungles, fendi,gucci,dior scarves, a breitling watch with 200carots of rubies, a joe rodeo, a 12 row sahire chain, watch the im so hood remix, if u see a square TS pendant, im getting 1 in red/purple, a pink/red 5starg pendant. but why did my parents say no? when my sister is turning 17 on the same day, they bought her the same tuff. an just 4 the record, both of my parents r black like me, my sister is white.(the only 1 in my family thats white.) she loos like ashley tisdale, only with purple hair, a better nose am a fine backside.