I couldn't find any reference to it on mnvg.
Not all of us think this is hot, and she certainly didn't, either--she's utterly and adorably mortified and apologizes profusely.
The vid length is 35:38 and the mishap occurs around the 11 minute mark.
It's true you can fake most anything with sufficient skill, but I like to think she's the real deal.
In fact, she has never given a blowjob before probably true, just watch her casting Never swallowed, never played with girls.
But before she gets to leave, Vince eats her out to orgasm — also a first for her — so we think that makes up for it.