While the picture of the sonogram was simply captioned, 'Cats out of the bag.'
The post has since been deleted, either because it was a silly joke or prematurely uploaded – but fans were quick to respond.
'OMG seriously @nickfurphy86? Congrats,' one wrote and punctuated the sentiment with a love heart emoji.
And some were just surprised with the news writing: 'Whoa that was quick,' and 'Jesus! Congrats.'
Dixon is yet to share any news on her Instagram, however, one thing is clear – the couple seem smitten with each other!
This article originally appeared on WHO.