Blake Lively and Ryan Reynolds have revealed the gender of their first baby.

It's undeniable that Blake Lively and Ryan Reynolds will no doubt produce beautiful babies, but the question in everyone's mind is: is it a boy or a girl?

It's definitely a baby girl for the celebrity couple, a family member confirmed to E! News.

The family insider went on to say that Lively and Reynolds are already experiencing baby fever and have taken to being parents like ducks to water.

"They're all doing really well," the source told E! News. "They're obviously loving being new parents."

The "Gossip Girl" alum and the "Green Lantern" actor welcomed their child before the new year. The actress reportedly gave birth near their home in Bedford, N.Y.

Lively announced the news of her pregnancy via her lifestyle website Preserve in October, according to E! News.

The family member added that most of Lively's and Reynolds' immediately family has left them alone to allow them some time to bond as a family.

And it looks like the new dad won't be having any trouble changing diapers and taking care of their baby girl as he previously revealed that he has experience with taking care of kids.

"I'm just excited about having a buddy," Reynolds revealed in an interview with People last year. "We don't know if it's a boy or a girl yet, but whatever it is, you have this tether to reality that never goes away."

"I don't have a weak stomach. I'm good with diapers, diarrhea and all that kind of stuff because I have lots of nieces and nephews, so I've done it all before," he continued.

Lively also has a few babysitting experience of her own and will no doubt be an excellent mom.

"I came from a big family...a big family of Southerners," the actress told E! News in October. "I'm the youngest of five, so I never raised any siblings below me, but I'm always the person who's taking everyone else's kid and putting them on my hip, so I've kinda always been a mama. So we'll see."

The baby girl's name hasn't been revealed as of yet so while everyone's waiting for the big reveal, congratulations to Lively and Reynolds for the newest addition to their family!