Gen Z has officially said goodbye to the wireless triangle bralette, as the push-up bra stages a massive, unapologetic comeback around the world. Ten years after British Vogue infamously declared that cleavage was dead, the fashion pendulum has swung in the opposite direction. The resurgence is driven by a global early ‘2000s obsession and a wave of celebrities embracing the hyper-feminine aesthetic, leaving the ultra-minimalist, comfort-first look of the late 2010s behind. Recent global fashion moments have been major catalysts for the shift, particularly at Coachella, where Addison Rae performed in a glossy vinyl Agent Provocateur push-up bra, PinkPantheress wore a tartan…