Some celebrities look quite different now that they are all grown up. Some changes are for the better though, like Scarlett Johansson. There are some changes that are for the worse, such as the kid from the hit movie “Home Alone.” Not to be mean or anything, but someone needs to tell a few of these celebs to look in the mirror. I bet there are some guys and girls out there thinking to themselves, “why didn’t I try to date that person when we were in high school!” Who knew some of these ugly ducklings would turn our like they have…