From left, Prince, Blanket and Paris Jackson are seen onstage during the hand and footprint ceremony honoring their father, musician Michael Jackson, in front of Grauman's Chinese Theatre in Los Angeles, Jan. 26, 2012. The ceremony was held to celebrate the "Michael Jackson The Immortal World Tour" by Cirque du Soleil.
Paris Jackson, center, writes her father's name in cement as her brother, Prince, left, and Blanket Jackson look on during the hand and footprint ceremony honoring their father, musician Michael Jackson, in front of Grauman's Chinese Theatre in Los Angeles, Jan. 26, 2012.
From left, Prince Jackson, Blanket Jackson, Paris Jackson, Justin Bieber, and Katherine Jackson pose together after the hand and footprint ceremony honoring musician Michael Jackson in front of Grauman's Chinese Theatre in Los Angeles, Jan. 26, 2012.
Katherine Jackson speaks during a hand and footprint ceremony honoring her son, musician Michael Jackson, in front of Grauman's Chinese Theatre in Los Angeles, Jan. 26, 2012.
Justin Bieber and Paris Jackson pose together after the hand and footprint ceremony honoring her father, musician Michael Jackson, in front of Grauman's Chinese Theatre in Los Angeles, Jan. 26, 2012.
Musician Smokey Robinson speaks during the hand and footprint ceremony honoring musician Michael Jackson in front of Grauman's Chinese Theatre in Los Angeles, Jan. 26, 2012.
Pop star Justin Bieber sings during a hand and footprint ceremony honoring musician Michael Jackson in front of Grauman's Chinese Theatre in Los Angeles, Jan. 26, 2012.
Paris Jackson speaks during a hand and footprint ceremony honoring her father, musician Michael Jackson, in front of Grauman's Chinese Theatre in Los Angeles, Jan. 26, 2012.
Music producer Quincy Jones speaks during the hand and footprint ceremony honoring musician Michael Jackson in front of Grauman's Chinese Theatre in Los Angeles, Jan. 26, 2012.
Choreographer Debbie Allen walks onstage during the hand and footprint ceremony honoring musician Michael Jackson in front of Grauman's Chinese Theatre in Los Angeles, Jan. 26, 2012.
Actor Chris Tucker speaks during the hand and footprint ceremony honoring musician Michael Jackson in front of Grauman's Chinese Theatre in Los Angeles, Jan. 26, 2012.
Dancers perform during the hand and footprint ceremony honoring musician Michael Jackson in front of Grauman's Chinese Theatre in Los Angeles, Jan. 26, 2012. The ceremony was held to celebrate the "Michael Jackson The Immortal World Tour" by Cirque du Soleil.
Musician Melanie Fiona performs during the hand and footprint ceremony honoring musician Michael Jackson in front of Grauman's Chinese Theatre in Los Angeles, Jan. 26, 2012.
Paris Jackson places a glove worn by her father, Michael Jackson, into the cement during the hand and footprint ceremony honoring her father in front of Grauman's Chinese Theatre in Los Angeles, Jan. 26, 2012.
From left, Tito, Jackie and Katherine Jackson walk onstage before the hand and footprint ceremony honoring musician Michael Jackson in front of Grauman's Chinese Theatre in Los Angeles, Jan. 26, 2012.