Christina Aguilera: Medical Center with Matthew Rutler!

Christina Aguilera keeps it cool and casual as she steps out of the Sherman Oaks Medical Center on Tuesday (July 24) in Sherman Oaks, Calif.

The 31-year-old singer was accompanied by her boyfriend Matthew Rutler as she went for a check-up.

PHOTOS: Check out the latest pics of Christina Aguilera

Christina is currently getting ready to release her new single in August.

“The club banger was produced by Swedish pop hit-maker Max Martin, Billboard reports. “Its chorus is built around the line, ‘All I want to do is what you wanted.’”

10+ pictures inside of Christina Aguilera and Matthew Rutler at the Sherman Oaks Medical Center…