No Idea Why, Maybe Because She's About To Explode:

The couple quietly wed Monday, says her rep, Brad Cafarelli. According to a source, they were married in the Beverly Hills courthouse's ceremony room under an arch of green silk foliage and white flowers. They were casually dressed, with Alba wearing a long blue dress and her hair back in a ponytail.

"She looked happy but nervous," the source says. Nobody else attended the wedding.

Warren, in a white shirt and brown pants, arrived with Alba at about 11:30 a.m. on Monday, applied for a marriage license and waited about 40 minutes for the paperwork to be processed before a staff member from the courthouse married them, the source says.

I hope they have a huge, outlandish, celebrity-like wedding after their daughter comes this summer. This sounds kinda trailerpark-esq and is begging for a better story.

Congrats to the happy couple.