If you are able to go with someone else there is safety in numbers. Not just from the general public but from your own mind. Buying a swimsuit can easily overwhelm your sense of self worth so having someone who is championing for you is invaluable.
As for style, whatever you feel cute in. Nothing looks better than confidence in what you’re wearing.
It was meant to be a triple pun on meow, Muenster cheese and Herman Munster from the classic American TV show The Munsters. My partner thought it was too many puns for one name to handle