“HUGE congratulations you guys!” the car builder commented on the couple’s Instagram announcement Thursday.
Anstead, who was previously married to El Moussa’s ex-wife, Christina Haack, also showed support when Young debuted her baby bump in July 2022.
Indeed, it will be announced to the disbelievers, “Allah’s contempt for you—as you disbelieved when invited to belief—was far worse than your contempt for one another ˹Today˺.”(The Quran - Chapter Ghafir : 10)
“Huge congratulations to you two!” the former “Wheeler Dealers” host wrote at the time. “Thrilled for you all! x.”
Anstead, 43, has three children of his own, sharing daughter Amelie, 19, and son Archie, 16, with first wife Louise Anstead as well as son Hudson, 3, with Haack.
As for El Moussa, he co-parents daughter Taylor, 12, and son Brayden, 7, with Haack.
The former “Flip or Flop” co-stars were married from 2009 to 2018. El Moussa, 41, wed Young, 35, three years after he and Haack, 39, finalized their divorce.
El Moussa and the “Selling Sunset” star told “Entertainment Tonight” in June 2022 that they “work really hard” to amicably raise children with Haack.
“The kids are always No. 1 regardless of any other thing going on in your life,” Young explained to the outlet. “Speaking through things [is important].”
Anstead, however, made headlines for his strained co-parenting dynamic with Haack before they settled their custody battle in December 2022.
Last year, he accused his ex-wife of using social media to “exploit” their toddler in court documents.
The “Christina on the Coast” star’s third husband, Joshua Hall, defended her at the time, calling her an “incredible” mom.
“Christina and I will always remain unfazed by any outside noise and save the kids from any unnecessary trauma,” the realtor wrote via Instagram in April 2022.
Haack and Hall, who no longer show Hudson’s face on social media, have been married since early 2022.
Anstead, for his part, is currently dating “Bridget Jones’s Diary” star Renée Zellweger.
Ant Anstead is joining in on the celebration of Heather and Tarek El Moussa’s son's first birthday!
In a joint Instagram post on Wednesday, The Flipping El Moussas stars shared a series of photos of them smiling with their baby boy Tristan in honor of his big day.
“Happy birthday Tristan Jay!!! Our sweet little bear 🧸 is officially 1 year old today 🥹 The best addition to our family of five and a light that brightens all of our days with his endless smiles, loudest belly giggles, and perfect blue eyes,” the El Moussas wrote in the caption.
Anstead, 44, offered his birthday wishes to the little one in the comments section: “A year!! Crazy! 🤯 happy birthday little man x.”
Both men have been married to, and share children with, Christina on the Coast star Christina Hall.
Tarek was Hall's first husband. The former couple were married for seven years until their split in Dec. 2016. They share two children together — daughter Taylor, 13, and son Brayden, 8 — who are Tristan’s half-siblings.
Anstead was married to Hall from December 2018 until June 2021. The pair publicly split less than two years after tying the knot in September 2020. They share a 4-year-old son named Hudson.
This isn't the first time Anstead and Tarek have shown they're friendly with one another.
Anstead shared his congratulations to Tarek and Heather when they revealed they were expecting Tristan, telling them he was "thrilled for you all."
In September 2021, the British car expert spoke about why he has such a good relationship with Tarek and Heather, explaining he built a strong connection with the couple after co-parenting Taylor and Brayden while he was married to Hall.
"I'm a big supporter of modern-day parenting. I'm a big supporter of modern families," Anstead said, explaining at the time, he still thinks of Taylor and Brayden as his stepchildren.
"I think it's amazing how generations evolve to fit within the current times, and right now, we live in a time where blended families are common and ultimately you have to have relationships that are healthy with all this extended family. And by default, I've inherited an extended family [in Tarek and Heather]."
"To treat them in any other way would be dishonorable," he continued of their mutual respect and support. "I'm really proud of how we all kind of manage that modern blend."
Tarek and Heather have spoken out in support of Anstead, praising his relationship with actress Renée Zellweger. PEOPLE confirmed that the actress and the Wheeler Dealers star were dating in late June 2021. They met earlier that month after she appeared on his Discovery+ series Celebrity IOU: Joyride.
"I love it! I love it!" Tarek told of Anstead's romance with the two-time Academy Award winner, 53 during the JBL True Summer Campaign kick-off.
"I know, like rock on!" added Heather.
"Good for him. Ant's a great kid, [Zellweger] seems like a lot of fun," Tarek continued. "I like them. I like the setup."
In April 2023 — the same month Anstead and Zellweger celebrated their two-year anniversary — a source revealed to PEOPLE that the pair had also "found a house that they both love and are moving in together." News of their move came shortly after Anstead officially let go of his beloved Temple House in Laguna Beach, Calif. earlier that month.
Another source told in March: "Ant is very happy with Renée. He really loves her. They spend a lot of time at home. It's a very normal relationship and both are committed long-term."
