Kanye West is all smiles as he spends father-son time with Saint during family trip to California Zoo (Photos)

Rapper, Kanye West was pictured all smiles as he posed with his son Saint West during a family trip to a zoo in California on Thursday.

His wife, Kim  Kardashian and their daughter, North West were also spotted at the Sandiego Zoo.

The Keeping Up with the Kardashians reality star took to her Instagram Story and Snapchat to share several photos from the zoo outing.

See more photos below.