Bikini troubles! girls and guys, please!?

im going to my friends birthday party today and its a pool party! i only have one issue, my bikini line... theres no hair there, but im always so paranoid about it!! is there any advice you can give?? i dont want to wear shorts because i don't want shorts tan lines... i dont know what to do. my boyfriends guna be there along with a couple more guys! do you think people look there at all? i mean i know they dont stare but im nervous and im always sooo scared :( can anyone give me advice to be more brave and less scared?