They've met their match!

Sean Penn and girlfriend Charlize Theron will wed this summer in South Africa, where they are shooting the love story The Last Face, Us Weekly reports.

"They want to get married very soon. Charlize has seen Sean grow up. He's a wiser soul and much more patient. They're looking to the future with a lot of hope," a source told the mag.

Not only that, but the couple of eight months want to adopt a baby together shortly after exchanging vows!

"Charlize always intended to have another child," the source adds. The actress is already mom to adopted son Jackson, 2.

They make a chic pair!