'X Factor' Recap: Final Four Battle It Out In Semi-Finals

The top finalists sing three songs each for a shot in the show's final round. The final four contenders brought their A-games to The X Factor semi-finals on Wednesday night when each act performed three songs; a duet, a song selected by their mentor and one chosen by viewers. The jam-packed format left no room for a guest performer, but there was plenty of excitement to fill the two-hour running time without any extra fluff.  Carlito Olivero impressed the judges with his version of "Boyfriend" ...