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:
Watch out all you celebrity parents and celebrity babies in NYC!
Because Sienna Miller & her baby Marlowe may be taking over and introducing a new cuteness reign to the big apple.
The mother-daughter duo were spotted grabbing a bite to eat at the Tea & Sympathy restaurant in the West Village before hopping into a British style taxi.
It seems like it was just yesterday that Sienna introduced her little bundle of love to the world, and yet already these two seem to be a match made in heaven.
We seriously just saw this picture, and we're already jonesin' for some more of them!
Gimme, gimme, gimme!
Can't get enough!
[Image via Splash News.]