<P> Muhammad Ali's star was granted after the committee decided that boxing could be considered a form of "live performance". Its placement, on a wall of the Dolby Theatre, makes it the only star mounted on a vertical surface, acceding to Ali's request that his name not be walked upon . </P> <P> All living honorees have been required since 1968 to personally attend their star's unveiling, and approximately 40 have declined the honor due to this condition . The only recipient to date who failed to appear after agreeing to do so was Barbra Streisand, in 1976 . Her star was unveiled anyway, near the intersection of Hollywood and Highland . Streisand did attend when her husband, James Brolin, unveiled his star in 1998 two blocks to the east . </P> <P> Fifteen stars are identified with a one - word stage name: Cantinflas, Houdini, Liberace, Mako, Meiklejohn, Paderewski, Parkyakarkus, Roseanne, RuPaul, Sabu, Shakira, Slash, Sting, Thalía, and Usher . </P> <P> The largest group of individuals represented by a single star is the estimated 122 adults and 12 children collectively known as the Munchkins, from the landmark 1939 film The Wizard of Oz . </P>

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