The former child actress, now 34, first sparked pregnancy speculation in late May when she stepped out at LAX airport in Los Angeles with a tell-tale baby bump, confirming the news via publicist shortly thereafter.
The couple, who first met on the ABC series Pan Am in 2011, tied the knot on the Upper East Side in New York City in October 2013. Us exclusively broke the news of the intimate nuptials, where the duo were feted by close family and friends at the Harold Pratt House and Peterson Hall.
"I love so many things about him," the Addams Family and Mermaids actress gushed to Us of Heerdegen back in May 2013. "He's my favorite person on Earth," she said, adding at the time that she "absolutely" wanted kids. "I can't wait to have our own little world replete with small beings!"
Ricci's rep did not respond to requests for comment.
Click through to see more photos of Christina and her man.