It's been less than a month since she gave birth to her baby boy and country music star Carrie Underwood is positively glowing.

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The Little Toy Guns singer posted her first post-pregnancy selfie on Instagram Sunday, looking luminous and cheerful as ever. The star insisted she wanted to "keep it simple" with a purple headband, which happens to be part of her Calia fitness collection.

 No time to fix the hair today. Headband to the rescue! #KeepItSimple @caliabycarrie

A photo posted by Carrie Underwood (@carrieunderwood) on Mar 15, 2015 at 11:03am PDT

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Of course the new mom has been plenty busy over the last few weeks. Her son, Isaiah Michael Fisher, was born on Feb. 27. Underwood has spent all her time since doting on her "sweet angel" and spending time with husband Mike Fisher, who plays in the NHL for the Nashville Predators.

Underwood intends to tour with little Isaiah this summer and has even had a bus designed to accommodate having a baby out on the road. She has made sure not to book any solo shows, performing only at festivals as to optimize the amount of time she is able to spend with her son.

Tags
Carrie Underwood, Mike Fisher, Celebrity baby