What to wear to a motorsports racetrack this weekend?

So I'm going to the races this year and I hsvnt been since I was about 10. We are tailgating and I know know it's gunna be freaking hot!!! Ha but I don't have any shirts off the drivers (T-Bayne!!! <3) so what do most teenage girls wear to the racetrack? Thanks!! Oh and i want to look cute. I do know that cowboys go to these races ;) lol ab plus I get to go down and meet some of te drivers so I really wanna look cute? Any advice???!!!