Update 8:08 a.m. EDT July 17: The British royal family has released an additional photo from the christening of Prince Louis, the youngest son of Prince William and Catherine, Duchess of Cambridge.

"The Duke and Duchess of Cambridge hope that everyone enjoys this lovely photograph of Prince Louis as much as they do," Kensington Palace tweeted Monday.

Matt Porteous, who took the photo, also shared the image on Instagram.

"It was an honour and a privilege to photograph the christening of Prince Louis," he wrote.

Original report: The British royal family released four official portraits Sunday from the christening of Prince Louis, the youngest son of Prince William and Catherine, Duchess of Cambridge.

According to Kensington Palace, Matt Holyoak took the new photos last Monday at Clarence House after the 2-month-old prince was christened at Chapel Royal at St. James' Palace.

In the portraits, Catherine, formerly known as Kate Middleton, beams as she holds the newest royal. Prince William and children Prince George, 4, and Princess Charlotte, 3, also smile for the camera in three of the shots.

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Other photos include Prince Charles and Camilla, Duchess of Cornwall; Prince Harry and Meghan, Duchess of Sussex; Kate's parents, Michael and Carole Middleton; her brother, James Middleton; her sister, Pippa Middleton, who is pregnant; and Pippa's husband, James Matthews.

>> See the photos here

Royal Family Welcomes Prince Louis Arthur Charles