Is Christina Aguilera Pregnant?

CHRISTINA AGUILERA got engaged on Valentine's Day, and there may be a reason it's happening now, because we're hearing she's also PREGNANT.


Multiple sources say Christina and her fiancé are expecting their first child.  Christina also has a six-year-old son named Max from a previous marriage.


There's no official word from Christina yet.


(People / Us Weekly / E!Online / TMZ)