Blink And You'll Miss GaGa!

The Pet Shop Boys were honored with the Outstanding Contribution to Music Award at The Brits on Wednesday night and also performed a medley of their greatest hits.

Joining them to sing the Dusty Springfield part on Nothing Has Been Proved was pop provocateur Lady GaGa.

CLICK HERE to check out the Boys – GaGa comes in around the 5:20 mark and comes back towards the end with Brandon Flowers around 8:45.

P.S. The Pet Shop Boys. They rule! And had soooo many hits! Heart them!