Lane announced her pregnancy on Instagram by thanking god for the "best present".
"Incoming Package best present. Thank You Lord #SantaBelly," Lane captioned the baby news.
The mother-to-be also shared photos of her baby bump.
"My official pregnancy dress. I have worn this 1-2x a week every week for past 5 months. It was 3 euros in a charity shop in Ireland," Lane wrote.
The couple have been together since January 2013 and reportedly got engaged in December 2014.