The source told The Sun: ‘Billie and Greg are over the moon. They’ve been a couple for two years now and love each other to bits… They can't wait to meet their son or daughter in the summer.’
They continued: 'Billie and Greg have always been seen as the ideal couple as they get on well and they don’t have all the dramas like everyone else on the show.’
Billie looked slim at Sam's Disney themed 23rd Birthday
The couple put their relationship’s longevity down to Greg’s decision not to star in the reality show.
Billie will be the first TOWIE lady to fall pregnant whilst still on the show, though Chloe Sims is mother to 8-year-old daughter Madison.
TOWIE co-star Dan Osborne welcomed his own bundle of joy just before Christmas, we wonder where in Essex the stork will visit next?