Mary Lambert, Echosmith, and More Hit Up the MTV VMAs

YH is on the scene for the MTV Video Music Awards at the Forum in Inglewood, California, and we get to chat up the likes of singer Mary Lambert, those "Cool Kids" Echosmith, the boys from YouTube's Smosh channel, "Awkward" star Greer Grammer, designer Jeremy Scott, the cast of "Faking It", "Teen Wolf" actress Arden Cho, and "Happyland" starlet Katherine McNamara! Find out which musical acts they are most looking forward to seeing!