Songwriter: Britney's Creating A "Mega Record"

A songwriter allegedly working with Britney Spears says she’ll have a mega record with a mega feature.
Kasual Kas unknowingly ignited Britney’s fanbase on fire when he said those magic words: mega, record and feature. He recently worked with Brit’s label RCA, so this is kind of a big deal.
According to his Instagram, he’s also worked with Kelly Clarkson, Christina Aguilera and Pink.
We’re VERY well aware Britney’s enlisting the help of Iggy Azalea (who says their song together is a “massive hit”) for her next album, so let’s hope Kas Kas is referring to someone else on said “mega feature.”
Who would YOU like to see Britney Spears collaborate with?