Check out this fan footage of some celebs outside of the 2010 Vanity Fair Oscar Party:

As if seeing Kristen Stewart trying to navigate a parking lot in her train-length dress and heels while her bodyguard (or driver, or whatever he is) sprints ahead of her wasn't entertaining enough, at  2:33 we're treated to the ultimate Zanessa moment when Zac Efron plants a sweet little kiss on girlfriend Vanessa Hudgen's forehead.  Awww!