Celebrity Parents '9-1-1' Star Ryan Guzman and Fiancée Chrysti Ane Welcome Son Mateo 9-1-1 star Ryan Guzman and his fiancée, Power Rangers Ninja Steel actress Chrysti Ane, announced in September that they were expecting their first child By Helen Murphy Published on January 25, 2019 07:40 AM Share Tweet Pin Email Welcome to the world, Mateo Lopes Guzman! Ryan Guzman and his fiancée Chrysti Ane welcomed a baby boy on Thursday, Jan. 24, the actor’s brother, Steven Guzman, announced on Instagram. Steven’s post came with a gallery of shots of him and his new nephew, one of which featured Ryan. Another picture in the slideshow shows the brothers hugging. “When I saw you I had tears of pure happiness and knew my life just got better,” Steven wrote in the caption. “I promise to love you until the day I die and be the best Tio you could ever dream of.” “Only thing I don’t like about you is that you’ve easily taken the throne of cutest Guzman alive,” he joked. “1-24-19 is a proud day for us all.” Chrysti Ane/Instagram Want all the latest pregnancy and birth announcements, plus celebrity mom blogs? Click here to get those and more in the PEOPLE Parents newsletter. RELATED GALLERY: All 200 Celebrity Babies Who Made Their Debut in 2018 Mateo is Ryan and Ane’s first child. The 9-1-1 actor, 31, announced the pregnancy news in an Instagram post in September, celebrating the couple’s “unexpected surprise.” “2018 has been a year of unexpected surprises,” he wrote. “New jobs, new lives, and new love. Each one getting better than the next. As the year rounds the corner to its end, we both believed it couldn’t get any better.” “We were wrong!” he continued. “The newest/best surprise has yet to arrive but is on its way. To living our BEST lives! #DaddyAndMommy.” Ryan added that the two names they were deciding between were “#Mateo Or #Genevieve.” RELATED VIDEO: We Sent Ryan Guzman to an Internet Chatroom and … Well, See for Yourself Ane, who played Pink Ranger Sarah on Nickelodeon’s Power Rangers Ninja Steel, went on to break the news to her own followers while showing off her baby bump and revealing that she was five months along. “I have still been keeping up at the gym and I have a few abs left at #5Months. I’m not lifting as heavy as I used to so the gains are counting on repetition and consistency to stay with me,” Ane, 25, captioned the footage in which she lifted up her white tank top to reveal her midsection. “It’s been a bit difficult for me to watch my body changing, but as soon as I put into perspective that I’m creating a little angel with the love of my life it makes everything so worth it,” she continued. “My goal is to stay in good shape and stay healthy through this entire pregnancy. I’m more than halfway there.” Ryan Guzman Gets Sentimental About Becoming a Father in Thanksgiving Post Two weeks after announcing the pregnancy, the pair found out the sex of their baby. In a video shared to Instagram, the actor wrapped Ane in a big hug and gave her a kiss on the lips before excitedly shouting, “We got a boy!” In the caption, Ryan wrote, “It’s a Boy!!! Thank you for all of the birthday wishes as well as everyone who made the trip to Sacramento for our gender reveal. I can’t wait to meet my son and see my love @chrysti_ane hold him for the first time. It’s been a weekend I’ll never forget.” The actor also revealed the name of the baby in the post, adding the hashtag “#Mateo” in the caption. Ryan Guzman Reveals He’s Expecting a Boy in Sweet Video: “I Can’t Wait to Meet My Son” In December, Ryan revealed on The Real that the couple got engaged, and he proposed on their roof — where they had their first date.