Jennifer Nettles Baby Boy Makes Debut (PHOTO)

Jennifer Nettles of Sugarland has finally revealed pictures of her infant son Magnus Hamilton this week.

The singer and her husband Justin Miller welcomed their first child in December.

"So much love and joy on my first Mother's Day," Nettles posted to Twitter with a longer note posted to her website as well as a first look at baby Magnus. "A very Happy Mother's Day to all the Mamas."

Nettles' website revealed an in-depth account of the singer's new life since baby Magnus arrived.

Moreover, the singer took the time to introduce fans to her baby son.

"I am also bursting at the seams with pride," Nettles wrote. "It gives me great pleasure to say to you, Meet Magnus," she added, along with a photo of herself with the baby.

When Magnus was born on Dec. 6, Nettles and her husband released a statement revealing their joy.

"We are so thankful for all the prayers and support and are excited to take some time together as a new family," the new parents told People magazine.

Baby Magnus arrived just one month after Nettles and Miller had celebrated their one-year anniversary. The couple tied the knot after two years of dating during a ceremony in East Tennessee on Nov. 26 last year.

Meanwhile, the mentor on "Duets" and Grammy Award-winner is making an easy adjustment to motherhood.

"I'm so excited," said Nettles. "He's super sweet. We made a deal before he was born. I said, 'Look, you can cook as long as you want, as long as you come out and latch like it's your job and have a sweet demeanor.' He's kept his part of the bargain!"

The 38-year-old singer also revealed how she spent her first Mother's Day on Sunday.

"We're going to have a Mother's Day brunch," said Nettles. "It's a good time around naps! We'll do a nice brunch and just relax."

Sugarland includes Nettles and Kristian Bush, and the band is best known for songs such as "Baby Girl" and "Fly Away," among others.