Justin Bieber's Siblings, Jazmyn and Jaxon, Sing 'Baby'

Entertainment TonightJustin Bieber's Siblings, Jazmyn and Jaxon, Sing 'Baby'Entertainment TonightJustin Bieber's adorable half-siblings, Jazmyn and Jaxon, obviously look up to their big brother, as evidenced by this tape of the two of them -- as well as another super-cute pal -- singing his 2010 hit "Baby." Justin's dad, Jeremy Bieber, shared the ...