Rachel McAdams Birthday: Her Prettiest, Happiest Photos

Rachel McAdams turns 34 today, and to celebrate, we've compiled some of her sweetest and most smiley moments! The Canadian-born actress has quite a lot to grin about these days. Over the years she's won praise for her roles in Midnight in Paris, The Vow, Mean Girls, and who could forget her breakout part in The Notebook? In honour of Rachel's big day, click through to see some of her happiest moments!