Alyson Hannigan & Family: Leprechaun Hallowen Costume 2013!

Alyson Hannigan and her family go for an Irish Leprechaun theme for their Halloween costumes while trick or treating on Thursday (October 31) in Brentwood, Calif.

The 39-year-old actress and her husband Alexis Denisof were both dressed as leprechauns while their four-year-old daughter Satyana was a rainbow and their 17-month-old daughter Keeva was a pot of gold. So so cute!

PHOTOS: Check out the latest pics of Alyson Hannigan

“Happy Halloween!!! This is the lunch I made not my costume ;)” Alyson tweeted that day. Check out the pic of her spooky meal on her Twitter!

20+ pictures inside of Alyson Hannigan going trick or treating with her family…