Rebecca Robertson Loflin is pregnant with her second child.

'Here comes the sun ☀️ so excited to announce our rainbow baby is due in December ( to be exact, the due date is actually Christmas Day,' Rebecca wrote in the caption of the post that she shared on Tuesday?

Congratulations! Rebecca Robertson Loflin is pregnant with her second child.

On his Instagram page, John posted additional announcement photos and wrote, 'What's that?

Newest Loflin addition due December 25th?

In her post, Loflin shared three photos of the family celebrating the happy news!

In the first shot, Rebecca, John and Zane were seen beaming with excitement as they posed on a wooden staircase. !

Zane was wearing a beige and white t-shirt with the lettering, 'Big Brother.' The second photo featured Rebecca and John smiling joyfully as John held up a strip of sonogram photos.

Great news: On his Instagram page, John posted additional announcement photos and wrote, 'What's that.

The Robertson family hosted Loflin when she was a 16-year old Taiwanese exchange student and later legally adopted her. .

Family ties; The Robertson family hosted Loflin when she was a 16-year old Taiwanese exchange student and later legally adopted her

Loflin shared a photo in which she was seen holding Zane along with other images of her family walking in the woods