Jealously doesn't even come close to describing how we are feeling right now.

Yesterday during Lady Gaga's Enigma show in Las Vegas she surprised concert goers when she brought out her A Star Is Born co-star and director, Bradley Cooper.

And it didn't stop there, of course they treated fans to a live performance of their Oscar-nominated duet, 'Shallow'.

Can you even?!

The only thing that would have topped that is if they did a live-action remake of the film on stage.

Now let's hope these two recreate their incredible song at the Oscars.

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