Ashlee Simpson and Evan Ross grab ice cream with her son Bronx, 12, and daughter Jagger, 5, in LA

Ashlee Simpson is relaxed in baggy sweater and cropped jeans on outing with daughter Jagger in LA

Ashlee Simpson looks lovely in beige plaid jacket on grocery run with adorable daughter Jagger, 5

Ashlee Simpson and Evan Ross reveal the secret to keeping the spark alive at home with kids