Brittany Lopez and Christian Slater

Christian Slater has married his girlfriend of three years, Brittany Lopez, People reports.

Slater, 44, wed Lopez in an impromptu ceremony at the Coral Gables, Fla., courthouse on Monday. The two reportedly had gone to the courthouse to get their marriage license and then decided to tie the knot. The court clerk snapped a photo of them kissing shortly afterward.

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Slater, who stars in the upcoming ABC drama Mind Gamesrevealed his engagement in March to Jimmy Fallon. The actor admitted that he initially thought Lopez was a lesbian.

Slater was previously married to actress Ryan Haddon, with whom he has two children.