It's almost here. Wednesday (Dec. 12) at the stroke of noon ET, CMT, MTV, VH1 and Comedy Central will kick off the biggest online event of the year. The Big & Best of 2012: A Year End Celebration Presented by T-Mobile is an eight-hour live stream featuring the best music and biggest stars of the year from multiple genres.
Taylor Swift fans will be excited to learn the superstar will reveal a sneak peek of her new video, "I Knew You Were Trouble," and will share her personal top moments of the year. Country music fans can look forward to a rockin', never-before-seen performance by reigning CMA duo of the year Thompson Square. You'll also see an intimate acoustic set by rock goddess Grace Potter and the indie folk duo First Aid Kit. Plus, hot country newcomer Dustin Lynch will perform live in the MTV studio. Keep an eye out for CMT Insider's own Kourtney Hansen who will share hosting duties with VH1's Carrie Keagan and MTV's Sway Calloway. It's a party you don't want to miss.