Christina Aguilera: Airport Arrival with Matthew Rutler

Christina Aguilera is on a mission to get to her car as she walks through LAX International Airport on Saturday (August 20) in Los Angeles.

The 30-year-old entertainer was joined at the airport by her boyfriend, Matthew Rutler, who tried to remain incognito by her side.

PHOTOS: Check out the latest pics of Christina Aguilera

Christina will be one of several artists headlining the upcoming Michael Jackson tribute concert, entitled Michael Forever: The Tribute Concert, according to the the LA Times.

Also lending their vocals to the concert are Cee Lo Green, Leona Lewis, and Smokey Robinson.

The concert is set to take place on October 8 at the Millennium Stadium in Cardiff, Wales.