Ashton Kutcher is allegedly "nervous" as Mila Kunis approaches her baby due date.

"He is a nervous wreck," a source told People magazine.

"They were hoping the baby would come this week because he's on hiatus [from his showTwo and a Half Men]."

Mila Kunis is in her last few weeks of pregnancy with fiancé Ashton Kutcher and some fans have taken to Twitter and Instagram to ask for a baby name announcement.

Although she hasn't mentioned possible names, she has allegedly advised her partner to calm down his "daredevil" behavior.

"With the baby coming, Mila wants Ashton to be a lot more careful," a source close to the pregnant actress said, according to TVNZ.com.

"She's tightening the amount of people who come through their house. Ashton has a group of guys who like to hang out - and some of them can be a little much. So it's just close family and friends now."

A source close to pregnant Mila Kunis and Ashton Kutcher revealed that the 36-year-old actor isn't letting his sights off of his fiancé until she delivers her baby bump.

"Ashton is not letting Mila out of his sight. They are spending every moment together. He can't wait," the source told E! News.

Recent revelations of the comment spurred rumors on Instagram that Ashton Kutcher is being overprotective of his pregnant fiancé.

An Instagram page dedicated to pregnant Mila Kunis and Ashton Kutcher recently posted a photo of her baby bump, mentioning that she is "not long to go," leaving fans wondering how far away her due date is.

Another source close to Mila Kunis and Ashton Kutcher told Radar Online that she will be delivering her baby bump in less than a month, sparking rumors about a possible name, gender and due date announcement on social media.

"She is scheduled to be delivering in less than 1 month and she cannot wait," the source told Radar Online.

"Mila was going to do an all-natural birth with no medications or sedatives, but she has been advised against this because she is such a small girl. Ashton will not accept this and refuses to see her in pain."