I'm going on my first date EVER! with this guy this Wednesday What do i wear?

i'm going on my first date ever with this guy i really like what do i wear? i'm kinda on the plus size and i don't have many cute clothes at all and my mom doesn't let me bye clothes i actually like. i mostly have guy clothes. i have a dress i guess that's okay. i have a crop top lacy shirt i wear that with some jeans. and i have some plaid red shorts i wear that with a mickey mouse shirt. and i have some jean shorts i wear that with any kind of shirt/ SHOES i have black converse i have hot pink converse i have black wedges i have blue flip flops. what do i wear please help me! Okay we are going the mall and the movies but where going o the mall first what do i talk about when i'm at the mall with him? Do i hold his hand or do i wait til he holds mine? do i hug him when i see. do i kiss him on the cheek? i'm very shy i really don't think i would have the courage to. where going to see a scary movie i get scared very easily when i'm scared do i cover my face or just be tough or stick it out i don't him to think i scared of everything. what do i do if he puts his arm around me and tries to get close to me? do i hug him back or something? what do i do if he tries to kiss me? i'm so clueless about kissing i don't know how to hold my lips anything about that. do i let him do the work or do i do something? The guy is year younger than me i don't think he has much dating experience either. please help me i'm so nervous and scared.