5 Seconds of Summer star Luke Hemmings and wife Sierra Deaton announce birth of first child

Luke Hemmings and his wife Sierra Deaton have announced the birth of their daughter this week. The 5 Seconds of Summer member teased that the newborn's arrival had been their "best kept secret" whilst sharing the news.

The couple announced that they had welcomed their baby into the world in a post on Instagram yesterday. Luke, 29, and Sierra, 34, who won the X Factor USA as part of the duo Alex & Sierra in 2013, were met with well wishes from fans.

Luke and Sierra shared a series of photos in the post on the platform. It included a photo of their newborn baby holding a flower. Others showed Sierra sporting a baby bump, with Luke seen cradling her tummy in one photo.

READ MORE: Rapper Lil Nas X 'hospitalised for suspected overdose' after worrying video emerges

READ MORE: Dani Dyer's husband reveals star's competitive side and Strictly star she needs beat

Alongside a white heart emoji, the couple wrote about the new arrival in the caption that accompanied the photos. They told fans through the joint post: "Our best kept secret. Written and Produced by Sierra and Luke Hemmings."

In the comments section, Luke said that they don't plan on sharing further details about their child in the near future. He asked fans to respect the baby's privacy and expressed gratitude for the support that the family have received.

He wrote in the follow-up message to fans: "In our perfect world, we'd keep our daughter a secret forever ... for similar reasons we chose to never share our wedding photos from years ago. However, going into this next album cycle I'm very aware that her existence would inevitably leak."

Luke continued in the comment: "To avoid any speculation, we're posting this now and humbly asking for everyone to respect her privacy. If you see us in public, please avoid taking or sharing photos of her as we don't plan on publicising her name, birthdate, or face any time in the near future."

The musician concluded the message by thanking fans for their understanding and support. Luke wrote at the end of his comment under the post: "Thank you for understanding and for the support. All our love, the Hemmings."

The post has amassed more than 500,000 likes on the platform. The couple were met with well wishes in the comments section, with one person writing: "OMG. Congratulations Luke and Sierra." Another said: "Congrats to you both."

A third fan commented: "Awww. So happy for you!!!! Best news ever." Sharing their thoughts, another reacted: "Congratulations!!! Wishing your lovely family all the best!!" Whilst someone else said: "Only love for the beautiful family."

One person responded to the post: "Guys I can't. Congratulations to you both." Another said in the comments section: "So happy for you and [Sierra]." Someone else wrote to the couple: "Happy tears. So excited for you. Congratulations."

"So incredibly happy for you both. Wish your little family the absolute best," another comment read. Whilst one person wrote in their response to the post yesterday: "Congratulations Sierra and Luke!! Oh my goodness!!"

Like this story? For more of the latest showbiz news and gossip, follow Mirror Celebs on TikTok, Snapchat, Instagram, Twitter, Facebook, and Threads.