Like the '90s knickers, these Monday-to-Sunday jumpers come in a rainbow of bright colours including red, bubblegum pink and a sunny yellow. The nostalgic knits are by Italian designer Alberta Ferretti, but before you think of buying the entire set so you have one for every day of the week, they are £405 a pop, meaning the full lot will cost you £2835. A diary may be more cost-effective, but you have to admit they look very cute.
So which day should you pick? Saturday's red jumper is the most popular with the blogger set, while it might surprise you that the pink Monday style is a close contender loved by Anna Dello Russo and Chiara Ferragni.
Scroll below to see how the bloggers are styling the day-of-the-week trend and shop the full set of knits.