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Anna Kournikova and Enrique Iglesias will soon have enough kids for a proper doubles match ... 'cause the superstar couple are expecting another child!

Iglesias, 50, and Kournikova, 44, already share three children with another on the way, according to the Spanish outlet, Hola ... who says Enrique and Anna are "overjoyed" by the news. Getty

It's unclear when Anna is due and whether they're having a boy or a girl.

The power couple has been together for nearly two-and-a-half decades, first linking up in 2001 after meeting on the set of his music video for the song "Escape."

Kournikova gave birth to their first kids, twins Nicholas and Lucy in late 2017. In early 2020, Anna and Enrique welcomed their daughter Mary .

Speaking of the kiddos,

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