After Prinsloo announced her pregnancy in September, a source told ET, "[Adam] and Behati want lots of kids, and they want them close in age. Adam is over the moon, as is Behati. They are in love with Dusty and can't wait to make her a big sister."
"Adam has already been making sure his schedule next year has time to allow for him to take off work and be with the new baby,” the source added.
Find out more about the couple's second child in the video below.