ACHY BREAKY HEART singer Billy Ray Cyrus will have some achy feet to contend with after signing up to show off his waltz and tango skills in the upcoming season of US TV hit Dancing With The Stars. The country singer-turned-actor will cha cha cha against former BEVERLY HILLS, 90210 star Ian Ziering and ex-'N Sync star Joey Fatone on the show. Meanwhile, website TMZ.com reports KELLY and Sharon Osbourne have both backed of the celebrity talent show.