What should I wear to fiesta texas??????

okay i am going to Fiesta Texas tomarrow (theme park) I am planning on wearing jean shorts like these: a href="http://www3.jcpenney.com/jcp/X6.aspx?DeptID=50455&CatID=69769&GrpTyp=PRD&ItemID=15f494b&attrtype=&attrvalue=&CMID=50455|69608|69769&Fltr=&Srt=&QL=F&IND=29&cmVirtualCat=&CmCatId=50455|69608|69769" rel="nofollow"http://www3.jcpenney.com/jcp/X6.aspx?Dep…/a and a bathing suit like this: a href="http://www2.victoriecret.com/commerce/onlineProductDisplay.vs?namespace=productDisplay&origin=onlineProductDisplay.jsp&event=display&prnbr=CP-244033&page=1&cgname=OSPNKSPPZZZ&rfnbr=5944" rel="nofollow"http://www2.victoriecret.com/commerce…/a the navy blue one. well the park has rules that you have to wear a shirt in the theme park area (there is also a water park area too. I just need help finding a shirt. thanks guys :)