Patrick Mahomes has a mini-me on the way!
The Kansas City Chiefs quarterback, 26, and his wife Brittany Matthews are expecting a baby boy to add to their family that already includes 16-month-old daughter Sterling Skye.
The couple revealed the exciting news in an Instagram video montage Sunday, which began with their friends and family at a “gender-reveal party,” putting in their guesses for boy or girl.
The excited family is seen enjoying the occasion in pictures exclusively optioned by PEOPLE.
After squirting blue liquid from toy guns, the parents-to-be cheered alongside their guests before Mahomes jogged away and jumped, clothes still on, in the pool.
Never miss a story — sign up for PEOPLE’s free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human-interest stories.
Mahomes and Matthews, 26, announced that they are expecting their second child in joint Instagram posts late last month.
“Round 2!” they simply captioned their trio of pictures, which featured the couple with their daughter and an ultrasound image. Pregnant Brittany Mahomes Cradles Baby Bump in Sweet Photo on Vacation with Patrick Mahomes
“Big sister duties … coming soon,” read Sterling’s sign announcing her sibling-to-be in the shots.
The longtime couple’s baby news came just two months after they married in Hawaii following their initial engagement in September 2020. They met while attending Whitehouse High School in Whitehouse, Texas.
RELATED VIDEO: Brittany Mahomes Says She and Husband Patrick “Don’t Exactly Know” When They’ll Have More Kids