Today on Twitter, Selena Gomez reached a major mile stone of 8 million followers! That means her Twitter followers equal the entire population of New York City. Wowza! Selena's bestie, Taylor Swift, teased her fans of a new music video she's shooting right now. Maybe for a song off the new album? Justin Bieber and Mariah Carey also wrapped their music video for their rendition of 'All I Want For Christmas Is You (Remix),' today! Justin promised it was going to be a classic. We're holding you to that, JB! Fabolous and Trey Songz were lending a hand to making sure the city of New York is warm this winter at Fabolous' 3 Kings Coat Drive. Travis Barker was taping some kind of musical promo for the NFL and Jay Sean was excited to sing with Alicia Keys at a benefit for her charity, Keep a Child Alive. Meanwhile, young artists James Durbin and Dia Frampton were celebrating the artwork of their debut albums! Read what your favorite stars were chirping about today!