Sugarland's Jennifer Nettles Shows Off Baby Boy

The 38-year-old country star then revealed how she's adapted to the changes.

"You can read every book and website (I've read them all), and listen to the well meaning advice of family and friends, on how to get your baby to, for example, sleep more or through the night," she added. "But guess what? This stuff is not one size fits all. Anyone who tell you it is, lies…and don't get me started on sleep deprivation."

Nettles capped her Sunday by sending fellow moms out there some Mother's Day wishes.

"So much love and joy on my first Mother's Day! A very Happy Mother's Day to all the mamas!" she tweeted.

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