Nick Viall and Natalie Joy are expecting not one but two babies! Yes, the couple announced via Instagram on Wednesday that they're having twins! In the post, Nick and Natalie posed with their 2-year-old daughter, River, who is wearing a "big sis" sweater as her parents show off a sonogram. The 27-year-old momma's baby bump is also on full display in the pictures. Another photo shows their toddler leaning in for a kiss with Natalie as Nick holds her.