Sarah-Jane took to Instagram earlier in teh week to announce the birth of the couple's second child.
"Love bubble commencing," she captioned an Instagram story. "Name still undetermined he looks like both the names I like."
"Baby boy is here," she explained in the video."We're both healthy, very happy, very tired...he's so cute!"
"He literally looks like me," Sarah-Jane continued. "I think he has my big eyes....and Tom's button nose."
Sarah-Jane and Tom earned a legion of fans when they competed on The Block 2022.
The married couple from Victoria gave the season their all, and despite finishing with a beautiful house, the most room reveal wins and all signs pointing towards the pair winning - the auctions brought a devastating blow, winning them the lowest profit of the show since 2014.
Now, a year on from the chaotic season, Sarah Jane and Tom have been busy! Not only did the couple keep fans up-to-date with their caravan renovation, but Sarah-Jane started a podcast and Tom returned to the new season of The Block as the resident plumber and a Hipages ambassador.
"I'm having an absolute blast and it's great to be on the other side after being a contestant last year," he told Homes to Love.
In April 2023, the happy couple also shared another major announcement - they were expecting another child!
"So excited to announce BABY CALLEJA no.2 is incoming October 2023," Sarah-Jane announced on Instagram. "We feel so blessed and we are already so in love 🥰."
In July, Sarah-Jane took to Instagram again to share the heartwarming moment she shared the gender of the baby to Tom and their immediate family.
"I forgot to post this video I made a few weeks ago telling Tom and our family the gender of baby #2 but thought I’d share it now as this video just makes me so happy!," she captioned the video.
"Tom was thrilled as was our whole family!! So special welcoming another baby into the Calleja clan."
Watch Below: Tom and Sarah Jane second baby gender reveal
In October, Sarah-Jane and Tom also shared some photos from their maternity shoot as they geared up to welcome their second child.
"Finally got around to finalising my maternity shoot photos 📸 Thank you @angelicajamesphotography for these amazing shots," she wrote.
"Even though I look at some of these photos and feel self conscious which is normal, I’m so glad I did it and have something to reflect on in 20 years 😂💜"
Sarah-Jane and Tom are already parents to two-year-old Cleo, who is eagerly awaiting her new role as big sister.
The parents have been open about the difficult choice they made to join The Block and leave their daughter behind, sharing that they were doing it for her.
“We missed Cleo’s first birthday and her first steps,” Sarah-Jane, told our sister site New Idea last year.“It was a very real fear for me that she’d forget us, which was heartbreaking,” the social worker says.
“It was tough but we have the rest of our lives to spend with Cleo,” Tom added
“We just had to keep reminding ourselves why we were there, and that if we win, we are giving our daughter the best possible start in life.”