Xtina and Nic's bumpsChristina Aguilera and Nicole Richie's bumpsTwo preggers chicks, two differing styles...

Only one celebrity bump-off.

Nicole Richie has always been a bit of a boho-chic type.

And Christina Aguilera is a right lil' glamour puss.

But what happens when stylish celebs get up the duff?

Does their fashion sense change, get better, or go out the window?

Decide for yourselves as we compare and contrast the maternity styles of Nicole Richie and Christina Aguilera in our gallery of Christina Vs Nicole: The Bump-Off.