Barbie's struggle is real, and when it comes to being cast in "Barbie," so was John Cena's. John Cena is a man among men — and a merman among Kens. But this almost wasn't the case.

Then Hasbro won the Disney Princess business ... marketers and researchers fixated on the shoe problem. There will now be two Barbie shoe sizes, one for curvy and tall and another for original ...