Beyoncé just stopped the show before it began!
Ch-ch-check out the AH-Mazing opening performance (above)!
The two buds joined other bud Steven Tyler onstage Thursday evening for an Aerosmith concert at Chesapeake Energy Arena in Oklahoma City.
Well, this will make you even more surprised!
Guess who picked out Tyler's outfit for the night?
Ryan frickin' Seacrest!!!!
We'd say that dude had a pretty good time wouldn't you??
[Image via Ryan Seacrest.]