Twitter Superstars! Who Is Your Favorite?

PopCrush.com has an interesting poll going on with 10 of the most addicted “tweeters.”  Lady Gaga and Rihanna are leading the charge with a combined 35 million followers!  Who is your favorite person to follow?  Has anyone awesome ever responded to a tweet?  This Twitter thing is so ridiculous but it’s fun for some reason!? [...]