Jennifer Garner & Ben Affleck: Happy 4th Birthday Seraphina!

Jennifer Garner and her husband Ben Affleck throw a birthday party for their adorable daughter Seraphina at Kidville USA on Sunday (Janaury 6) in Brentwood, Calif.

The 40-year-old actress and the 40-year-old actor were joined by his brother Casey Affleck, who brought his sons Indiana and Atticus.

PHOTOS: Check out the latest pics of Jennifer Garner

Earlier in the day, Ben was seen satisfying his coffee fix with a stop at Starbucks.

FYI: Seraphina turns 4 years old today. Happy birthday Seraphina!

20+ pictures inside of Jennifer Garner and Ben Affleck celebrating Seraphina‘s 4th birthday…