It's probably more realistic to believe that Kendrick will perform it there than Beyonce considering her tour starts in 48 hours in Europe. I'd think she'd be on a flight over the Atlantic ocean at this point, preparing to start the EU leg of the FWT. I'd also expect BET to promote this to the high heavens if it was actually happening
But I guess we'll see in a few hours
It'd be nice if it was true though, her live performances never fail to give me life