Singer Justin Bieber speaks at a ceremony where Michael Jackson's shoes and gloves are used to make hand and foot imprints in cement in the courtyard of Hollywood's Grauman's Chinese Theatre in Los Angeles on January 26, 2012.[Photo/Agencies]

Singer Justin Bieber attends a ceremony where Michael Jackson's shoes and gloves are used to make hand and foot imprints in cement in the courtyard of Hollywood's Grauman's Chinese Theatre in Los Angeles on January 26, 2012.[Photo/Agencies]