Well done, Justin Bieber.

Amid rumors the pop prince, 21, is hooking up with Kourtney Kardashian, 36, the Biebs took to Instagram and shared this racy snap with a very telling message.

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Lord knows

A post shared by Justin Bieber (@justinbieber) on

“Lord knows,” Justin captioned the image.

While it’s unclear who the “mystery woman” appearing in the photograph is, we know Kourtney’s ex-boyfriend and baby daddy, Scott Disick, 32, gave himself the nickname “Lord Disick” — which makes us suspect this may be a cryptic message to the father-of-three.

The pair split in July after photos emerged of Scott cozying up to his ex-girlfriend, Chloé Bartoli, during a Monte Carlo getaway.

kourtney kardashian scott disick

Kourtney Kardashian and Scott Disick.

In Touch reported over the weekend that Kourtney was seen dining with Justin at The Nice Guy in LA before heading to a karaoke club. She was then allegedly spotted leaving one of JB's favorite hotels, the Montage Beverly Hills, at 4 a.m. the following morning.

Do you think the Biebs is trying to send Scott a message?