‘That Girl’ is about to be dethroned by her antithesis, the ‘post-wellness party girl’. The post-wellness party girl loves sleek, black clothing, luxurious nightlife, cocktail-ridden parties, decadent food and, most importantly, low maintenance beauty. Her lifestyle is promoted on TikTok using the hashtag’ night luxe’, where a myriad of videos share photo slideshows of extravagant…