Loeffler Randall, but I couldn't find any good, more affordable ones anywhere, until I ran into a few people wearing some gorgeous ones in the street and asked them. See below for where they'd gotten them from. Have you spotted any other good ones? Let me know!
Asos White Pin Stud Slipper and Asos Leo Velvet Slipper Pumps.
Buschur Leopard Print Slip-Ons, Killion Gold Glitter Slip-Ons and Buschur Black/White Print Slip-Ons.
Kosy Green Suede Slipper Loafers, Jane Winkworth for French Sole Navy Velvet Logo Embossed Slippers, Manney Dalmation Print Slippers, Vectra Gold Studded Slippers, Vault Glitter Slipper Loafers.