I SERIOUSLEY need help with the styles of fashion!!?

K im 15 and my now i like to wear is plaid shirt skinny jeans graphic tees i wear vans addidas and nikes. My mom says every week she sees me with the same skinny jeans on all the time i wear the same stuff and i wear the wrong stuff at the wrong times likes i went to church in skinnies lol pants i like is skinny or skinniest jeans also jean shorts and regular cargos then she starting to buy slim fit pants and stuff saying ppl go through phases of fashion styles like they change it up!! So im askin can anyone give me advice on changing up my style of clothing no big reagular pants and stuff any shirts i like hat to and stuff plz show advice pics links all that stuff cause im kinda bumbed since she said that! Thx