Carrie-ing a bun in the oven?

Sources say it’s just a matter of time until Carrie Underwood admits that she’s preggo. Carrie has packed on the pounds over the last month as rumors swirl she's with child.

She usually dresses in slinky, tight outfits, but

has been sporting more flowing clothing of late. Life & Style mag recently reported that she and hockey-playing hubby Mike Fisher are ready for a baby.