Matt & Ben: Big Daddy Kahunas

6/18/2007 2:01 PM PDT BY TMZ STAFF
Pasty white pals Matt Damon, 36, and Ben Affleck, 34, were spotted shopping together on Father's Day in Hawaii. Grab your sunblock!

Matt and wife Luciana and their daughter Isabella are on vacay in the Aloha state with Ben and his ladies, Jennifer Garner and daughter Violet.

Surf's up daddy-o!