Disneyland told me to cover myself for being too sexy. Is they wrong?

I was taking my daugther Mackenzie to Disneyland. I was wearing a black bra with a white shirt that says "Hello Boys". I was also wearing a short (but not to short) skirt. Its like no one can see my panties. They took me to a room and told me to change my clothes or dont go. I feel like a sl*t. Can I sue? Security told me this is a family park, so I cant dress like that. I have a daughter! Thats family. Me and my friends they are discrimalting because Im sexy. But security guy (whos cute) told me that I am old, and fat. Im 214lb and 5 ft 4in. At least im not those sl*tty Selena Gomez!