JC Chasez ( born Joshua Scott Chasez on August 8 , 1976 in Washington , D.C. ) , is an American singer , songwriter , actor , and producer , best known as one of the lead vocalists in the pop group \* NSYNC . Joshua Scott `` JC '' Chasez ( born August 8 , 1976 ) is an American singer-songwriter , dancer , entertainer , record producer , and occasional actor , best known as one of the lead vocalists in the former pop group ` N Sync .