KOURTNEY Kardashian posted a cozy throwback with her ex, Scott Disick –  just days after his date with Lisa Rinna’s daughter, Amelia Hamlin.

The KUWTK star, 41, looked very young as she cuddled a clean-shaven Scott in the photo, which she tagged him in and captioned “Wow”.

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Kourtney wore a slinky red gown, while Scott was dapper in a sharp suit in the Instagram Story snap.

They began dating in 2006, when Kourtney was 27 and Scott was 23.

They have three children together – Mason, 10, Penelope, eight, and Reign, five – and split for good in 2015.

Since Scott, 37, split from girlfriend of three…