ET confirms the news that Mark Wahlberg will marry his longtime love Rhea Durham next year!

The actor told us tonight at the premiere of his new movie, 'Max Payne,' that he will marry the mother of his three children in a ceremony next August. The happy couple is dad and mom to Ella, 4, and Michael, 2, and a new baby boy, who was born only a month ago!

ET also caught up with Wahlberg's co-stars, Mila Kunis, Chris O'Donnell, and Beau Bridges, at the premiere at Graumann's Chinese Theater in Hollywood.

Based on the blockbuster videogame of the same name, 'Max Payne' weaves the sordid tale of a New York City DEA agent (Wahlberg) who seeks revenge upon those who are responsible for the brutal slaying of his wife and his partner. Payne finds help in Mona Sax (Kunis) -- an unlikely partner and a lethal assassin-- who's also out for vengeance for her sister's death. The two are thwarted at every turn as they attempt to take down the ruthless corportation responsible for the heinous killings. The high-action, high-intensity thriller hits theatres hard October 17.

The premiere was sponsored by Maxim magazine.