CAGUILERAR092507_10.JPGChristina Aguilera CAGUILERAR092507_03.JPGWell, mama-to-be! That's Christina Aguilera leaving the recording studio in Hollywood for the second night in a row. Talk about dedication! And what about that leopard bra? It may not work on most women, but X-tina can pull almost anything off - including her fire engine red lipstick! But where are the heels?