Ok, I actually forgot about this, but I had wanted to add something a while ago. (And, yes, I do keep bumping up these old posts...because I'm still on break and am bored to death so I come on here and reply to stuff because I apparently have nothing better to do with my life lol.)
1.) I completely agree with all of you who said that you like the guest-star-character roles better than just the guest stars appearing as themselves. It makes it seem more interesting. Not to mention - like VC (I think) mentioned before - that if they're singers, they sometimes can't act...because they're singers.
2.) I thought Kenan Thompson was pretty awesome. But then again, it brought back 90's nostalgia when I watched that crossover. The only thing I thought was weird was when Tori said something about how she used to love "All That" because, I don't know, it, like, broke the fourth wall and was kind of an unneeded statement in my opinion.
3.) My favorite guest star who actually played a character role was Jim Parsons. I frickin' love The Big Bang Theory, and when I first saw that episode, I didn't know he was gonna be on there, so, needless to say, I was excited. And after watching it with my cousin, we kept quoting, "Slap my thighs," in front of our friends just to weird them out a little
4.) Again, I'm still not entirely sure who I would've wanted on that show, but I know one person I'm glad NEVER showed up. Two words: Justin Beiber.