The engaged couple was spotted picking up food-to-go from Erewhon Market on Monday afternoon (May 10) in Santa Monica, Calif.
Shailene and Aaron were both dressed comfortably in sweats, him in navy and her in gray, while stepping out to grab their food.
On May 1, Shailene and Aaron were in Kentucky for the annual horse race and they were joined by one of her frequent co-stars, as well as some of his fellow athletes.
Shailene will be seen next in the upcoming Netflix movie The Last letter From Your Lover and the official trailer was released last week. The movie is going to premiere on the streaming service on July 23.