Justin Timberlake opens up to ET about the loss of Michael Jackson and reminisces about sharing the stage with the King of Pop.

"I can't find the words right now to express how deeply saddened I am by Michael's passing," Timberlake tells ET. "We have lost a genius and a true ambassador of not only Pop music, but of all music. He has been an inspiration to multiple generations and I will always cherish the moments I shared with him on stage and all of the things I learned about music from him and the time we spent together. My heart goes out to his family and loved ones."

Click here for more star reactions to Jackson's death.