Let's make this birthday one to remember.

40 years old (Born on December 03, 1985)

Happy birthday, Amanda Seyfried! From predicting the weather as Karen Smith in "Mean Girls" (we still trust your forecasts more than any meteorologist) to singing and dancing into our hearts as Sophie in "Mamma Mia!", you've given us countless reasons to smile. Your talent for making even the quirkiest characters lovable is truly unmatched.

Here's hoping your special day is filled with laughter, joy, and maybe a spontaneous ABBA sing-along or two—because let's face it, nobody does musical charm quite like you do. Keep shining bright; we can't wait to see what delightful roles you'll conquer next!