Today, Pharrell Williams’ smash hit “Happy” finally reached the #1 spot on the Billboard Hot 100! “Happy” is off of Pharrell’s forthcoming album G I R L, which features numerous artists including Justin Timberlake, Daft Punk, Miley Cyrus and Jojo! In other news, Ryan Seacrest and Ellen from KISS FM celebrated the ten-year anniversary of their radio show with a cover video of the #1 hit! The duo’s entertaining video features big names such as Kylie & Kendall Jenner, Jojo, Becky G, Pharrell, Jason Derulo and so many others! While, G I R L is due for release March 3rd, the album can be streamed here! Check out Ryan Seacrest’s “Happy” video cover below!