Reese Witherspoon's Birthday: Serenade From Taylor Swift, Duet With Keith Urban & More

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Reese Witherspoon attends the 50th Academy Of Country Music Awards at AT&T Stadium on April 19, 2015 in Arlington, Texas. 

Reese Witherspoon treated guests at her star-studded 40th birthday party in Los Angeles Saturday night (March 19) to a performance of Lynyrd Skynyrd’s iconic song “Sweet Home Alabama.”

Watch Reese Witherspoon and Sofia Vergara Lip-Sync Miley and Taylor

Witherspoon, who starred in the 2002 romantic comedy Sweet Home Alabama, was joined by Keith Urban on guitar for the entertaining performance, which was caught on video by Vanity Fair and fashion writer Derek Blasberg.

Another celebrity guests at the bash included Taylor Swift, who sang her hit song “Shake It Off,” E! reports. The pop star was seen posing with actress Laura Dern and author Cheryl Strayed, who wrote the memoir Wild, in a photo on Instagram.

Check out more party photos below.


Um.. @taylorswift @lauradern #happybirthdayreese

A photo posted by Cheryl Strayed (@cherylstrayed) on


Just let me know when I have to stop wearing crop tops.

A photo posted by Erin Foster (@erinfoster) on