Matthew McConaughey and his sexy model girlfriend Camila Alves are expecting a baby this summer. But while Matteo has publically expressed his joy about being a dad, sources tell OK! the actor is less than thrilled about becoming a married man.

"Matthew is getting used to the idea that he’s going to be a father," a friend of the actor tells OK!. "He says that’s enough to deal with right now. He has no plans to walk down the aisle with Camila now — or ever."

The hunky star’s apparent refusal to make an honest woman of his baby-momma is upsetting not only the 24-year old Brazilian beauty, but her mother and Matthew’s widowed 77-year-old mother, Kay McConaughey, as well. And now all three are putting the pressure on the 38-year-old actor to get married.

"Camila comes from a very strict Catholic background," says a pal. "And his family is very traditional. They all feel a wedding is in order."

For the complete story on Matthew and Camila, pick up the latest issue of OK! — on newstands everywhere Thursday!

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