Now that's a throwback photo to remember!

Kourtney Kardashian shared a super cute-and-hot bikini pic of herself with sisters Kim Kardashian and Khloé Kardashian for "Flashback Friday" on Instagram, then deleted it later.

The shot, taken in 2007, shows all three looking much younger — to the point where you might not recognize them — in eccentric bikinis. Talk about #TBT! Yowza. Luckily, plenty of fans and media types got a screenshot before it was gone forever.

Click through the gallery to see more photos stars have posted and deleted!