If your Instagram feed looks anything like ours, you've likely been experiencing a lot of deja vu recently.
While it's not unusual to spot the same cult product reappear every now and then, sometimes a piece is so popular that it becomes an entirely regular feature on your feed.
is such an item.
Thanks to its bang-on-trend polka-dot fabric and go-faster stripe to the side, it feels modern enough to look fresh but classic enough that it can be a staple season after season.
Endlessly flattering, its full-length leg, cinched-in waist and mid-length sleeves have seen it become a hit with women of all ages, all sizes.
And while the social media buzz may have rendered the piece out of stock for a while - much to many slower shoppers' frustration - M&S has heard your cries and there are currently a few back in stock.
Emphasis on the 'few', so you'd better act fast.
At just £39.50, why not?
These are the 8 most popular pieces in M&S right now
Not the high street stalwart's first foray into the go-faster stripe, they've created somewhat of a recurring trait in several of their most popular pieces.
Scroll down to see our pick of highlights from the M&S autumn collection, one of which - at least - will no doubt send Instagram into yet another frenzy...