Christina Aguilera & Matt Rutler's Backseat Lovin'

Not ones to hold back when it comes to lovin', Christina Aguilera and Matthew Rutler were spotted getting "Dirrty" in the backseat of their chauffeur-driven Mercedes on Saturday night (March 26).

The "Burlesque" babe and her beau were caught canoodling outside Santa Monica's Giorgio Baldi restaurant following a weekend dinner with a group of friends.

Intelligently getting themselves a driver, Rutler is currently facing a drunk-driving charge stemming from his arrest earlier this month.

When he was stopped by police, the 25-year-old's breathalyzer reading was reportedly 0.9, just above the legal limit of 0.8.

Meanwhile, Miss Aguilera is gearing up for her new gig as a vocal coach on the new NBC show "The Voice" - which is set to premiere on Tuesday, April 26th 9/8c.

Enjoy the pictures of Christina Aguilera and boyfriend Matthew Rutler making out in the back of their chauffeur-driven Mercedes (March 26).