Christina Aguilera & Matt Rutler: 'Immortal World Tour' with Max!

Christina Aguilera and her boyfriend Matthew Rutler make their way out of Staples Center on Sunday (January 29) in Los Angeles.

The 31-year-old entertainer took her son Max to see Cirque du Soleil’s Michael Jackson: The Immortal World Tour, which pays tribute to the late entertainer.

PHOTOS: Check out the latest pics of Christina Aguilera

The day before, Christina performed the Etta James classic, “At Last,” at the late singer’s funeral – Etta recently passed away at the age of 73.

FYI: Max is wearing a Splendid Littles tee!

10+ pictures inside of Christina Aguilera and Matt Rutler leaving Staples Center..