Gwen, 48, and Blake, 41, is also said to be prioritizing parenthood over getting married.
Gwen Stefani and her boyfriend Blake Shelton are focused to expand their family and have baby together
Source: Entertainment Tonight
A source told US Weekly,
They will get married one day but right now they are hyper-focused on getting pregnant. They believe there is still a chance for Gwen [to fall pregnant]. They are incredibly hopeful.
The source continued,
Gwen and Blake started talking quickly about having a baby, but starting a family has not been easy for them. It's something that they really want and it's just not working out the way they wanted it to.
Stefani - who donated $1 million to Save the Children's following the 2011 Tohoku Earthquake and Tsunami, knows how much her boyfriend wanted to have a baby with his ex-wife Miranda Lambert, 33.
Blake Shelton with his ex-wife Miranda Lambert
Source: US Weekly
The "Hollaback Girl" singer already is parents to three children, Kingston, 11, Zuma, 9, and Apollo, 3 with ex-husband, Gavin Rossdale, 51. While Blake hasn't got any child of his own although he is divorced twice.
Gwen Stefani with her three sons and partner Blake Shelton
Source: Daily Mail
Daily Mail has approached representatives of both Gwen and Blake for further comments.