The singer gave birth to son Isaiah Michael Fisher at the end of February and she's already back in her swimsuit. Carrie posted a bikini-selfie on Instagram, captioning it, "Vacation selfie. #IKnowImLame."
In typical Carrie fashion, she sports sunglasses and wears her hair up in the pic. She doesn't expose too much, not even showing us what her belly looks like.
We don't need to see that proof anyway to know she looks good. Let's be real, she looks absolutely gorgeous no matter what size she is.
One thing is for sure, Carrie could use some relaxing these days. Mike's better half has been up getting involved in a couple of different projects lately, not including hockey, music or the baby. She just launched her own athletic-wear line, CALIA by Carrie Underwood.
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Gallery | Bikini Babes: Hot Mamas Edition