Who's that in the mirror?

Today I set up the bouncy seat to face my closet door mirror while I got some things done in my room. Kes looked all around at everything she could see in it, looked at herself and cooed at that baby in the mirror. Then I came over and talked to her in the mirror, but she kept looking at the real me too. So I picked her up and looked at both of us in the mirror. She looked at herself, looked at me, looked at herself, looked at me... and then the lower lip went into full pout and she wailed! I turned away from the mirror and she stopped crying. I think she was jealous to see her mommy holding a baby!