"So, happy birthday Prince,” the vocalist concluded ... and being a part of the countless blessed collaborations of music history over 40 years, I make an impromptu stop to Paisley on his ...

In his current role, Jack covers daily music news ... birth name is Prince Michael Jackson II and was previously known as Blanket — alongside a heartfelt caption. "Happy birthday to the greatest!

In the short clip, the prince said, “I want to wish you a very happy 90th birthday. You are a true national treasure and we’ve loved working with you over the years. Have a fantastic day today." ...