Reese Witherspoon Turns 45 — See Sweet Posts from Pals Jennifer Aniston, Eva Longoria & Others

"Legally Blonde" actress Reese Witherspoon celebrated her 45th birthday, and many of her celebrity friends shared birthday wishes for her on Instagram.

"Little Fires Everywhere" actress Reese Witherspoon celebrated her 45th birthday on March 22, 2021, and to mark the occasion, many of her celebrity friends shared birthday messages on Instagram.

Witherspoon then shared a few of the messages, including from her friends, Jennifer Aniston and Eva Longoria, on her own Instagram story.

Aniston shared a photo of the pair on the set of "The Morning Show," wherein both star as co-hosts on a news network. Aniston called Witherspoon a ray of sunshine in the birthday message.

Witherspoon also shared a message from Longoria. She posted a stunning photo of herself and Witherspoon posing in black gowns on the red carpet. She wrote on the post:

"Happy Birthday @reesewitherspoon!!! Love you to the [moon emoji] & back."

Witherspoon wrote that she missed the "Desperate Housewives" actress. She also shared Instagram story posts from Mindy Kaling, who called the "Legally Blonde" actress Dawg.

The mother of three shared a post from her second eldest child, Deacon Phillippe. His message featured a photo of him leading his head on her shoulder.

Witherspoon shared her own Instagram post on her feed to make the special occasion.

In the photo, which has a cool filter on it, he wrote that she is the one he does everything for. Deacon also called his mom an inspiration and wrote that he loved her.

Other celebrities who shared posts for Witherspoon's birthday including Viola Davis and Kate Hudson. Hudson shared a close-up selfie of the two women and wrote:

"Happy birthday dear one! How bout some love for this powerhouse on her birthday ?? Love you lady! @reesewitherspoon."

Witherspoon also shared photos from her brand, Draper James, to mark her birthday. The clothing brand is named after her grandparents, Dorothea Draper and William James Witherspoon.

The Draper James Instagram page shared an adorable throwback of Witherspoon as a young girl. In the photo, she looks adorable in a backward baseball cap.

Witherspoon shared her own Instagram post on her feed to make the special occasion. She shared a boomerang video of herself posing with a large bouquet of balloons.

In the caption, she thanked her fans and friends for all of the birthday wishes. Witherspoon wrote that she felt happy and blessed on her birthday.