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Motherhood sure looks good on Carrie Underwood!

Just three months after welcoming baby Isaiah Michael Fisher, the 32-year-old singer showed off her slim, post-baby body at Wednesday's CMT Music Awards. Because Carrie had a C-section delivery, she couldn't immediately get back in the gym. But, as she told E! News' Alicia Quarles, she found other ways to get back down to her pre-pregnancy weight.

It helped, of course, that Carrie didn't pack on too many excess pounds while she was expecting. "While I was pregnant, I did everything I could to try and make smart choices," she explained. "And if I couldn't really like work out, work out, I'd go walk, and I just tried to stay active."

And after she had Isaiah? "I couldn't work out for a few weeks because I ended up having to have a cesarean—blah, blah, blah, too much information," she said with a laugh.

In any case, Carrie didn't lose her cool when she couldn't hit the gym right away. Instead, she "kind of alter(ed) my diet," she said..

Then once Carrie's body healed and she got the go-ahead to work out again, she got right back into it!  Being a new mom with a crazy busy schedule doesn't leave a ton of time to schedule in those sweat sessions, though, but Carrie's learned to be flexible with her workouts. "I made it happen where I can, when I can pretty much," she told E! News.

This doting mama is never too far from Isaiah in anything she does. "I schedule things around feedings and stuff like that," she said. "Anything I do I'm like, every three hours, 'I gotta go feed my baby!'"

And what a precious baby he is! Carrie couldn't help but gush over her adorable, "super cuddly" little man. So what's the best part about being Isaiah's mommy? And how does mom already know her son is "going to be a sweet, sweet, guy"? Watch the clip above to find out!

For more 2015 CMT Awards coverage, tune in to E! News Thursday at 7 and 11 p.m.