VIDEO : Kardashians Celebrate Anniversary

Keeping Up With the Kardashians has officially been on the air for a decade! In honor of the popular E! series turning 10, Kim Kardashian West, Kourtney Kardashian, Khloe Kardashian, Kris Jenner, Kylie Jenner and Kendall Jenner celebrated with an in-studio party on Thursday. A source close to production told ET on Friday that the 10th anniversary special of KUWTK will feature interviews with all the family members. Additionally, "viewers will see a lot of never-before-seen footage from every season."