User blog comment:IamJakuhoRaikoben/Chapter 455: Magnolia's Defensive Battle, Review./@comment-25111584-20151005064459/@comment-7418318-20151005111859

Sure why not. Once the battle starts, she'll switch to a Star Dress anyway. Besides there's nobody around excet for Guild Mates for whom it shouldn't matter if they see her in her bed-wear and enemies who'll be too busy trying to kill her to care for what she's wearing.