Conor McGregor and Fiancée Dee Devlin Welcome Baby No. 4: 'Another Chunky Healthy Boy'

The couple is already parents to Rian, 2, Croia Mairead, 4, and Conor Jr., 6

Conor McGregor's family has grown by one more.

On Thursday, the MMA fighter, 34, announced that he and fiancée Dee Devlin have welcomed their fourth baby together, sharing the news on Instagram. Posting a carousel of photos from his son's birth, McGregor took a moment in the caption to honor Devlin.

"Another chunky healthy boy into the world. Dee you are my hero ❤️🙏," he wrote in his caption.

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Related: Conor McGregor and Fianceé Dee Devlin Are Expecting Baby No. 4

In June, McGregor announced he was expecting another baby while appearing on Live with Kelly & Mark.

As they're chatting, co-host Mark Consuelos, 52, asked McGregor about his three children, whom he shares with Devlin.

"I have three children; I've got two boys and a girl," McGregor responded. "My oldest one, Conor Jr., is 6, my daughter Croia Mairead, 4, and my youngest son Rian has just turned 2. So, things are going well."

"We've also got another on the way," the Irishman said as cheers erupted. "So there's a lot going on."

McGregor announced his engagement to longtime girlfriend Devlin in 2020, sharing a sweet selfie of the couple on Instagram and calling her his "future wife." McGregor and Devlin have been together since 2008, and according to Page Six, Devlin grew up down the road from McGregor's hometown in Ireland and has been by his side since he first started his UFC career.

"Every day since I started in this game, she's supported me," he told VIP Magazine back in 2013. "She'd drive me to the gym, and she'd listen to all my dreams. I wouldn't be doing this if it wasn't for her."

McGregor added at the time, "I knew her a bit beforehand, but I think the first time I spoke to her properly was when I saw her in a nightclub. I asked her to come over and we just started chatting. She seemed like a nice girl, and I like good girls."

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