The 19-year-old supermodel and her longtime love looked adorable as they rocked matching denim outfits and white sneakers.
During the fest, Bella ran into her friend Kylie Jenner, who let her try out one of her lip kits!
“Gettin my baby’s lip kit onnnn! The most fire lipstick ever. Love you muffin #day2,” she wrote on her Instagram along with an image of Kylie applying the lipstick.