AJ Michalka's Smiley Sunday

AJ Michalka shows off her bright smile as she retrieves her car at the car wash on Sunday afternoon (April 17) in Malibu, Calif.

The 20-year-old actress/singer patiently waited for her car to get it’s weekly bath, reading a book to pass the time.

AJ was spotted out over the weekend with big sis Aly at pal Matt Leinart‘s 3rd Annual Celebrity Golf Classic Welcome Party.

AJ recently shared with Nylon mag about her upcoming movie, Super 8, “If you think you know what the movie will be like because it stars young kids, you’re wrong – you’ll never believe that something with young kids is going to be so gnarly.”

15+ pics inside of AJ Michalka…