Who's Idea Was This?

Every day I see how different Lauren's 'growing up' environment is different from Jessica's. Jessica only had her mommy and daddy to play with on a day to day basis. Lauren has the great joy of having a big sister - a friend and playmate. The only problem is that at 8 months old she can't really defend herself if big sis wants to play princess with her:

I don't think Lauren really seems to mind. That's what sisters are for, right?