Pakistan, Sept. 1 -- Prince Jackson gave fans a real thrill. The oldest son of Michael Jackson honored what would have been his late father's 68th birthday on Aug. 29 with a special appearance at the Michael Jackson ONE show by Cirque du Soleil in Las Vegas.

While there, as seen in videos shot by @jpasc24, Prince greeted his father's longtime fans and signed autographs in the lobby of Mandalay Bay. At one point, he also gathered fans around him and recorded a video of the crowd shouting, as Prince held up his arms, "Happy birthday Michael!"

The 29-year-old kept it casual for the occasion, speaking with fans in a simple black tee and matching backwards baseball cap.

It has been 17 years since the King of Pop-also dad to 28-year-old Pari...