celebrity gossip: Miley Cyrus Signs Autographs After Z100's Jingle B... December 14, 2013 Get link Facebook X Pinterest Email Other Apps celebrity gossip: Miley Cyrus Signs Autographs After Z100's Jingle B...: Miley Cyrus shows off her toned tummy while exiting Madison Square Garden after a performance at Z100′s Jingle Ball 2013 on Friday (Decem...