Happy 36th Birthday, Reese Witherspoon – Take a Look at Her Sweet Smiles and Gorgeous Grins!

Reese Witherspoon turns 36 today! She got her start in Hollywood almost 20 years ago and has been a bright spot on the scene ever since. Reese has a lot to smile about these days – she’s approaching her one-year marriage anniversary to husband Jim Toth, is reportedly pregnant with her third child, and recently announced the start of a new production company. From awards shows and stylish red carpets to even breaking a sweat, Reese’s infectious smile and ear to ear grin are sure to make you crack a smirk too. Click through to see some of her sweetest smiling moments through the years! View Slideshow ›