Rivals?

I have to wonder, even with having Blue Ivy and more money than God and all that, does Beyonce ever get jealous of Solange?  I mean, Solange works hard, I'm sure, at her various stuff, but is just the right level of famous, and probably gets tons of free crap from everybody (mostly Yeasayer tee shirts, probably, but still).  Does B ever think, "Harumph! She's got it so easy!"?