Actually they were on a record together at the time so of course Bey would promote her, it's business.
She did the same thing with GaGa in 2011.
Either way, Beyoncé looks perfect.
that was before they worked together. But Bey was eyeing that collaboration cause I remember an interview she did with Univision talking about how she seen her in concert and was hoping to get on the the Deluxe edition of the album She got her wish
true stan
I don't think its business. 
the reporter asks the simplest of questions yet she sounds so robotic answering them.