Older relatives may worry the dress is used. Educate them: tell them youre making an environmentally responsible choice and that youd rather spend money on experiences
And the puff sleeves of the 1530s line up more directly with their audience's modern mental image of "pretty, pretty princesses." To my 21st century eye, some historically accurate Italian Renaissance fashions look simply ridiculous, like cod pieces (comically enlarged jock straps worn on the outside, sometimes used as coin purses), balzos (1530s ladies' turban thingies made of false hair, jewels, fabric, stuffing, broken dreams due to strict gender roles, and possibly helium), and zibellinis (what looks like a dead ferret with a bejeweled face attached on the end of a long decorative belt called a girdle, intended to distract fleas who weren't buying it, and apparently to creep people out in future generations)
you can also mix and match it with pastel hues like candy pink or blush pink
However, its still important to check the invitation or the couples website before picking out your rehearsal dinner outfit