Sorry, girls — Matt Lanter is off the market!

Life & Style can exclusively reveal that the 90210 heartthrob married his girlfriend of four years, Angela Stacy, today at Calamigos Ranch in Malibu, Calif.

"It was the happiest day of my life," Matt tells Life & Style. "Everything went perfectly. It was amazing to do this in front of our closest friends and family."

Matt married Angela in front of 145 guests in a lavish ceremony deep in the woods of the exclusive Malibu resort.

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The actor looked dashing in a tailored charcoal suit by The Button Up and Angela looked beautiful in a custom gown by Lazaro. The bride wore Badgley Mischka shoes and Neil Lane jewelry.

After the lavish ceremony planned by Nicole Hirsty of Cobalt Events, guests adjourned to a nearby tent decorated with thousands of flowers by Butterfly Floral & Events Design, and dined on steak and salmon.

The happy couple then cut the cake, a huge red velvet and cream cheese frosting creation from Cake Studio LA.

Matt proposed to Angela last summer with a stunning 4.2-carat diamond band. They had been dating since 2009.

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It's been a big year for Matt. Following 90210’s end earlier this year, he was immediately cast on Star-Crossed, a new show that will be airing on the CW in January.

For exclusive pics of Matt's wedding, more exciting wedding details and an interview with the happy couple, please check out next week's issue of Life & Style.