Prince Paris and Blanket Immortalize their Dad’s glove. Michael Jackson’s oldest son, Prince, compared putting the singer’s shoe and glove imprints in cement at Hollywood’s Grauman’s Chinese Theatre to accepting a Grammys lifetime achievement award two years ago on behalf of his late father. “For me, and I think I speak for him as well, this right here is his lifetime achievement award,” Prince Jackson said. “This is what he strived to get.” Prince and brother Blanket pressed a pair of their dad’s shoes into wet cement, while sister Paris used one of his famous sequined gloves to create an impression. All three children added their own handprints in a ceremony on the Hollywood Boulevard sidewalk Thursday. “It’s a very good celebration and I know if Michael was here he would agree, to see all his friends and loved ones, and especially his fans here to celebrate this with him,” family matriarch Katherine Jackson said. It was part of the promotion for Cirque du Soleil’s “Michael Jackson The Immortal World Tour,” which makes its Los Angeles debut Friday night. Quincy Jones, who produced Jackson’s best-selling “Thriller” album, and Smokey Robinson, who called Jackson “my little brother,” spoke, but there was little doubt Paris Jackson, 13, was most excited about her chance to introduce teen pop star Justin Bieber. “I know my father would’ve wanted to be a mentor to someone like him, and would be very proud that he came to today’s celebration,” Paris Jackson said. Michael …