She should be THANKFUL that these types of ‘festivals’ are still permitted by their upcoming majority...because they won’t be for long.
So given that fact, I think it would be reasonable for her to wear a head-dress for this privilege.
Ms. Banks recognizes what the islamists really are all about; control of the population and turning England and Europe into muslim nations.
She’s an American. Doesn’t have to kotow to Muslimes.