Inside the fancy YouTube event with screaming teens and big-name performers that's designed to steal TV ad dollars

The ninth annual Digital NewFronts, a conference for marketers, is going on in New York City this week and next.

A bunch of companies like AOL and Refinery29 put on events during the conference, including YouTube, which always holds a giant bash called Brandcast where it trots out some of the site's biggest stars and tries to convince advertisers that they need to spend less money on TV, and more on digital video.

As one fellow attendee put it, of all the Newfronts parties, YouTube's is the one to attend.

Check out why: