Over the course of her public life, Witherspoon has been married once before (to Ryan Phillippe) and even dated Jake Gyllenhaal for quite a bit of time.
With congratulatory wishes to Witherspoon and Toth, we take a look back at Witherspoon's dating history.
Four years later, they welcomed their son, Deacon, in October 2003.
Before they split in 2006, Witherspoon opened up about married life, noting that it wasn't always easy.
Her leading role of Tracy Flick in Election (1999) was nominated for a Golden Globe Award.
Witherspoon's breakthrough role was playing Elle Woods in the 2001 film Legally Blonde, for which she received her second Golden Globe nomination.
Witherspoon was up for Best Actress in a Drama for her critically acclaimed role in the adaptation of Cheryl Strayed's Despite their losses, the friendly exes both looked stunning and happy at the star-studded event.
"It's what he's been waiting for." Witherspoon, who won an Oscar her role as June Carter Cash in 2005's "Walk the Line," was married to actor Ryan Phillippe from 1999 to 2007.
The two stars got to know one another on the set of their 2007 drama .
After their split, Gyllenhaal went on to date Taylor Swift in 2010, and model Alyssa Miller from 2013 to 2014.
Born in New Orleans and raised in Tennessee, she began her career as a child actress, making her professional screen debut in The Man in the Moon (1991), for which she was nominated for a Young Artist Award.
Following breakout roles in Desperate Choices: To Save My Child (1992) and Jack the Bear, she starred in the comedy-drama Pleasantville (1998), for which she won the Young Hollywood Award for Breakthrough Performance.