To Parents and grandparents everywhere - too little too late

Jennifer Lee, who helmed what is now the most successful animated film of all time -- grossing more than $1.2 billion -- issued an "apology" to parents everywhere.

Lee The The Hollywood Reporter  "A year ago, I'd meet people who, when they found out who I was, they'd say, 'Oh, we love the songs! We sing them all the time.' Now they're like, 'Yep, we're still listening to those songs.

I've gone from, 'Thank you,' to, 'Sorry!'"