Kobe Bryant is going to be a dad of four.

The 40-year-old former Los Angeles Lakers star announced in an Instagram post Tuesday on New Year's Day that he's having another "mambacita," or daughter, with wife Vanessa Bryant.

The retired NBA player shared a message reading, "New year, new baby! Baby mamba on the way 2019." The post features a festive gold glitter background.

"Vanessa and I are beyond excited to announce that we are expecting another #mamabacita to go along with Natalia, Gianna and Bianka #blessed #bryantbrunch #daddysprincesses #love #2019," Bryant added in the caption.

Bryant and Vanessa are parents to 15-year-old Natalia, 12-year-old Gianna and 2-year-old Bianka.

Vanessa said in a post on her own account that Natalia and Gianna are looking forward to having another sibling.

"[They're] super excited to welcome another little baby sister to love," the expectant mom wrote, according to People.

Bryant appeared in a photo with Vanessa and their three daughters in August during a family trip to Cabo San Lucas, Mexico, for his 40th birthday.

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"Surprise family trip to Cabo for my bday #bryantbunch #40 #queenmamba #mambacitas," he captioned the post.

Bryant retired from the NBA in 2016 after 20 years with the Los Angeles Lakers. He and Vanessa welcomed Bianka the same year.

Photo credit: Kobe Bryant/Instagram