How to part hair down the middle?

i want my hair to look like how bam margeras did in jack especially during the sweaty fat f**ks bit and i normally flip my hair to the side like zac efron and justin bieber and ive had this style for years (since before they were famous) and want something new but when i try my hair just falls down on my face and i look weird do I need to get a whole new haircut to or what i need to get it to stay up