He sported a white T-shirt under a dark grey unbuttoned shirt, teamed with a dangling silver necklace.

Source: https://www.dailymail.co.uk/tvshowbiz/article-12792639/Priyanka-Chopra-wows-stylish-pink-dress-chic-Naomi-Campbell-lead-stars-F1-Grand-Prix-Yas-Marina-Circuit-Abu-Dhabi.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

I consistently encounter one employee wearing her lab coat completely unbuttoned and wearing a cropped tube top underneath.

Source: https://www.nytimes.com/2023/09/01/business/roxane-gay-work-advice.html

Kourtney kept her jeans unbuttoned while out for the morning walk.

Source: https://hollywoodlife.com/2023/07/20/kourtney-kardashian-jeans-unbuttoned-travis-barker-photos/

The 12-year-old girl drank until she was blacking out and woke up with her pants unbuttoned and felt that he had sexually assaulted her, Warden said.

Source: https://www.ocregister.com/2023/09/15/man-who-sexually-assaulted-oc-girls-he-lured-on-instagram-gets-33-years-to-life/

They were seen dancing, with many flashing midriffs and leaving unbuttoned their coordinated outfits.

Source: https://centralrecorder.com/the-towie-cast-looks-amazing-in-white-outfits-with-see-through-skirts-at-the-boozy-party-of-the-show-in-cyprus/