After months of anticipation, Baby Jonas has finally arrived in the world. Yesterday (Feb. 2), former Jonas Brother band member Kevin Jonas and his wife, Danielle, welcomed their first child into the world, Alena Rose Jonas.

Jonas Brothers fans have anxiously been awaiting the next generation of the musical family, and Kevin took to his official Twitter account yesterday to announce that Danielle was in labor. "#babyjonas is on the way!! Follow dreft for all the updates!!!!!!!!! It's showtime #thisisnotadrill," he tweeted to his 4.24 million followers.

Sometimes, he erred on giving his followers a little too much information "Here we go we're pushing!!!! #babyjonas," he wrote at 11:42 a.m., but in the end he kept details to a minimum for several hours before posting the first-ever photo of his wife and daughter in partnership with Dreft laundry detergent.

Check out the photo below:

Of course, new daddy Jonas is head over heels in love with Alena Rose, but what do the baby girl's famous uncles think?

Well, they're similarly smitten. Kevin's brothers and former bandmates Joe and Nick Jonas soon took to their official Twitter accounts to celebrate the birth of Alena Rose, which came shortly after their beloved grandfather passed away.

"As one life ends, another begins. Incredibly happy to be an uncle for the first time. Welcome to this world my beautiful niece," wrote Joe.

"My grandfathers memorial was yesterday. Today we welcome a new addition to the Jonas family. God is great. Can't wait to meet my new niece," Nick tweeted.

Alena Rose Jonas is the first child for Kevin and Danielle, who got married in 2009.

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