Jennifer Aniston, Laura Dern and More Celebrate Reese Witherspoon's 45th Birthday With Throwback Pics

Reese Witherspoon receives 45th birthday tributes from her son Deacon and celeb pals

Reese Witherspoon walks dogs on 45th birthday with lookalike daughter Ava Phillippe

Reese Witherspoon Then & Now: See The Star’s Transformation Through The Years