On Instagram, Marc and Nadia said they are having their first child together.
In the picture they used to share the news, they were both putting their hands on the growing baby bump.
In the comments, three fans said how happy they were for the newlyweds.
The couple's news comes just two weeks after they got married.
For the January 28 event, Nadia wore two beautiful dresses that were made just for her.
David and Victoria Beckham, as well as Salma Hayek, were among their guests.
Nadia is well-known as a fashion model and pageant winner.
She started doing pageants in 2015 and won Miss Teen Paraguay for Guaira.
She has also been in Elle, Cosmopolitan, and Harper's Bazaar, which are all fashion magazines.