Prince Jackson made a rare public appearance in Las Vegas over the weekend to mark what would have been his late father Michael Jackson’s 68th birthday on August 29. In video footage obtained by Page Six on Saturday, Prince, 29, raised his right hand on the count of three to shout, “Happy birthday, Michael!” in unison with a crowd of fans. Prince dressed casually for the occasion at Cirque du Soleil’s Michael Jackson ONE show, wearing a black backwards ball cap and a black shirt. He was also spotted happily chatting with attendees and seemingly signing autographs while The King of Pop shared son Prince — along with daughter Paris, 28,…
