Amy Schumer, Jennifer Lawrence Dance Atop Billy Joel's Piano to 'Uptown Girl'

We already know BFFs Amy Schumer and Jennifer Lawrence are writing a screenplay together, but who knew they could dance so well?

The duo performed a portion of Schumer's 'Uptown Girl' dance from her movie Trainwreck before hopping atop Billy Joel's piano as he performed.

They seemed to be having a great time, and the crowd loved it.

Here's the view from stage...

Uptown girls pic.twitter.com/zBY0q1wVB1

— Amy Schumer (@amyschumer) August 28, 2015