Ali Larter is one on-the-go mom! The actress and her super-cute son, Theodore "Teddy" MacArthur, were spotted heading to Mommy & Me classes in the Brentwood area of L.A. yesterday. 

OK! GALLERY: ALI LARTER OUT & ABOUT IN HOLLYWOOD 

Ali, whose husband is fellow actor Hayes MacArthur, toted her adorable tot on her hip like she's been doing this for years! 

OK! GALLERY: ALI LARTER LOOKING FABULOUS & LOVING LIFE IN L.A. 

Although she has no movies or TV shows planned for the future, it doesn't seem like Ali minds. She's content being a stay-at-home mom and enjoying her time with Teddy! How adorable is this duo?