If the OED has yet to identify a collective noun for Birkin bags, might I suggest “a Cardi B”? While the WAP evangelist temporarily shelved her Hermès collection during lockdown in order to model her ombré Louis Vuitton styles, Bardi is one of the most loyal fans of the quintessential It-bag this side of Rue du Faubourg Saint-Honoré, joining Victoria Beckham, J Lo, and Lady Gaga in amassing a vast collection of the design first made for Jane Birkin in 1984.