"The other day I said, 'Are you gonna finish your breakfast?' She says, 'Dude, I'm eating it!' She's five! And then I found myself, not even knowing it, (replying), 'Dude, you don't have to give me attitude', and she's like, 'Dude, you're so annoying!' We go back and forth and I'm like, 'What have I done?'" Actress Christina Applegate reveals her daughter Sadie is developing quite an attitude.