Provenza and Patrice are bringing out the big guns for their wedding on Major Crimes.

Los Angeles Mayor Eric Garcetti will reprise his role as Mayor Ramon Quintero in the season finale to marry Provenza (G.W. Bailey) and Patrice (Dawnn Lewis) — and we've got your exclusive first look at the big day below.

Garcetti first played Quintero on The Closer and then Major Crimes, prior to becoming mayor in 2013. This will be his first appearance since assuming office. His father Gil, a former Los Angeles ADA, served as a consulting producer on The Closer before moving on to Major Crimes.

The Major Crimes Season 4 finale airs Monday, March 14 at 9/8c on TNT.

Watch a preview of next week's episode.