Jason Bateman says his close friend Jennifer Aniston is "closer to a co-mom" with his wife Amanda Anka's two girls, and says it's hard for them to understand the "public Jennifer Aniston."

Jason Bateman and Jennifer Aniston aren't just co-workers, and the extent of their friendship might surprise you.

Jennifer Aniston is all about spending time with her closest friends. Aniston, 56, hosts a dinner every Sunday night with 10-15 of her pals, as revealed in her profile for Vanity Fair published on Monday.