Hmm...
Well, there's the Random Panel of Doom, which most of the members are gamers and often make gamer-related jokes. If your friend includes Lolita with J-Fashion, I do believe that there will be at least one lolita-themed panel.
Late addition: She might be interested in the Otaku 25 and Older panel, even if she isn't that old yet. It usually focuses on the generation gap and how it relates to anime, video games, and other nerdy subjects.