We smell a new squad in our midst!
However, it appears the epic collaborative performance gave an even cooler gift in the form of new best friends, Blue Ivy Carter and Apple Martin.
For the snap, the Oscar winner wrote:
Not that we needed it after seeing her baby bump tho! Ha!
But Kourtney confirmed the news anyway in the new Keeping Up With The Kardashians supertrailer!
Actually, we kind of expected Kim to be more excited for her older sister, but maybe she was just in shock.
Ch-ch-check out the video (above) to see the exciting moment for yourself!