(if you got your invitation already, you’ll know what I’m talking about)
With bells on is a idiom for being dressed up and/or excited to go to a party, I never intended for anyone to actually wear bells! And if you think that awful tradition of ringing a bell or clinking a glass is going to work on us, guess again. My grandmother is going to walk over and smack your hand. In my mind, those traditions are right up there on the tack-o-meter with the money dance and the groom removing the bride’s garter with his teeth. (No, I’m not wearing a garter, nor am I going to toss a bouquet -if I even carry one.)
FYI, jester hats are not appropriate attire for a semi-formal event. And ankle bells are only allowed if you wear a sari or other appropriately authentic ethnic ware.