Today’s Best Tweets: Justin Bieber’s ‘Under the Mistletoe’ Goes Platinum

Justin Bieber's holiday season just got a little bit sweeter. How exactly? His Christmas album, 'Under the Mistletoe,' was officially certified platinum! Another star celebrating a huge accomplishment was 'Glee' star Lea Michele! She and her castmates were nominated for a Screen Actors Guild Award! But the party doesn't stop there! Rihanna was also in a joyous mood as her hit single 'We Found Love,' has spent seven weeks at No. 1! Joining 'Umbrella,' and 'Love the Way You Lie,' this is RiRi's third single to reign supreme for seven weeks. Our girl Rachel Crow was super excited after appearing on 'Live with Kelly,' and OneRepublic were apologizing to fans in Orlando for being forced to cancel shows. Lots of stars were traveling today, Selena Gomez was headed to South America, Wale to Los Angeles and Sean Kingston to Africa. Read what your favorite stars were chirping about today!