"VC Baby" puts "fun," "ding" in "funding"

While it looks like comely lifecaster Justine Ezarik, better known as iJustine, who's head over heels for her VC, she's merely lipsynching. The real siren of the piece is Randi Jayne (née Zuckerberg, and yes, she's the Facebook guy's sister) who sings the sultry lyrics. Jayne's fiancé is a VC with Shasta Ventures who…