Today on Twitter, Jason Derulo congratulated his new 'It Girl,' Jordin Sparks, on her first day of shooting for the movie 'Sparkle' and Sparks tweeted back a thanks to her 'boo.' Too cute! Jay Sean and Kevin Jonas were both tweeting about the release of Joe Jonas' solo venture 'Fast Life' and Selena Gomez posted a picture of her posing with director and actor, Eli Roth at the premiere of The Thing last night. Ricky Martin was wishing his followers a Happy National Coming Out Day and Adam Levine was getting giddy about performing at the annual Victoria Secret Fashion Show. Not to mention, JoJo was hanging out with an older suitor! See what your favorite stars were chirping about today!