The 27-year-old singer shared the news on Twitter Saturday evening after a day of teasing his approximately 129,000 followers about some exciting information regarding his personal life.
JB Gill posted a lovely snap showing off his wife's growing baby bump
The heartthrob had also spent the day reflecting on his life at a religious service which prompted him to tease his followers about the new addition to his life, which he has not revealed the gender of.
The word of the day today should be ANTICIPATE: to expect; look forward to; be sure of x— JB (@JBGill) May 31, 2014
Additionally Marvin's wife, The Saturdays star Rochelle Humes - who has a one-year-old daughter - add how thrilled she is about the little one on the way.
Dancer Chloe also posted on her account about impending parenthood and predicted how great a father her husband would be.
Speaking about why they chose a church ceremony, JB told the magazine: "Chloe and I are both traditional in our views and our values. For me, marriage is the union of a man and a woman before God, so it meant a lot to us to have a proper church service with hymns."
The pair dated for six years after meeting on the X Factor where JLS first found fame and officially moved in together after their ceremony, having lived apart prior to the wedding.