Throw any bash at the one-piece and it’ll seamlessly ride 99% of dress-code stipulations. It’s equally comfortable on a wedding dance floor as an all-eyes-on-you event, like a birthday or red-carpet premiere – as you can see on actresses Zoe Saldana, Zoë Kravitz and Gemma Chan this week. Take their cue and let your onesie do the talking, strip back accessories and keep hair and make-up maintenance low.