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

Oscar winner Reese Witherspoon proudly posed with her bouquet of balloons in honor of her 45th birthday on Monday.

‘Another year around the sun! Thank you to everyone for the wonderful birthday wishes!’ the New Orleans-born blonde – who boasts 36.8M social media followers – captioned her post. ‘Feeling very blessed and happy!’ 

Reese’s eldest son Deacon Phillippe shared a sweet snap of him resting his head on her gingham-clad shoulder. 

‘Feeling very blessed and happy!’ Oscar winner Reese Witherspoon proudly posed with her bouquet of balloons in honor of her 45th birthday on Monday

The New Orleans-born blonde - who boasts 36.8M social media followers - captioned her post: 'Another year around the sun! Thank you to everyone for the wonderful birthday wishes!'

The New Orleans-born blonde – who boasts 36.8M social media followers – captioned her post: ‘Another year around the sun! Thank you to everyone for the wonderful birthday wishes!’

‘Happy birthday to the one I do everything for,’ the 17-year-old musician gushed via Instastory.

‘Thanks for inspiring me every day and always being there. I love u, mom!’

Witherspoon is also mother to daughter Ava Phillippe, 21; and son Tennessee James, 8; from her marriages to ex-husband Ryan Phillippe and current husband Jim Toth. 

This Friday, the Little Fires Everywhere producer-star will celebrate her 10th wedding anniversary with the 51-year-old Quibi exec, whom she met at a 2010 party. 

'Thanks for inspiring me every day and always being there': Reese's 17-year-old son Deacon Phillippe shared a sweet snap of him resting his head on her gingham-clad shoulder

‘Thanks for inspiring me every day and always being there’: Reese’s 17-year-old son Deacon Phillippe shared a sweet snap of him resting his head on her gingham-clad shoulder

Christmas family portrait: Witherspoon is also mother to daughter Ava Phillippe (2-L), 21; and son Tennessee James (M), 8; from her marriages to ex-husband Ryan Phillippe and current husband Jim Toth (R)

Christmas family portrait: Witherspoon is also mother to daughter Ava Phillippe (2-L), 21; and son Tennessee James (M), 8; from her marriages to ex-husband Ryan Phillippe and current husband Jim Toth (R)

Still going strong! This Friday, the Little Fires Everywhere producer-star will celebrate her 10th wedding anniversary with the 51-year-old Quibi exec, whom she met at a 2010 party

Still going strong! This Friday, the Little Fires Everywhere producer-star will celebrate her 10th wedding anniversary with the 51-year-old Quibi exec, whom she met at a 2010 party

Several celebrities shared birthday tributes to Reese (born Laura Jeanne) – including her castmate on Friends and The Morning Show, Jennifer Aniston.

Since October, Witherspoon and Aniston have been hard at work executive producing and reprising their reporter roles in the second season of the Apple TV+ series.

Natalie Portman – whose film Lucy in the Sky was produced by the Legally Blonde alum – thanked her for being ‘the best leader and friend.’  

Reese’s former Big Little Lies castmate Laura Dern got a hold of one of her childhood snaps and wrote: ‘Who knew this would become one of the most extraordinary women ever, and my sister? Happy birthday, Miss Reese!’ 

'Love you, birthday girl!' Several celebrities shared birthday tributes to Reese - including her castmate on The Morning Show, Jennifer Aniston

'We've come a long way!' Reese famously guest-starred as Jennifer's character Rachel Green's sister Jill in NBC sitcom Friends

‘Love you, birthday girl!’ Several celebrities shared birthday tributes to Reese – including her castmate on Friends and The Morning Show, Jennifer Aniston

'Happy birthday to this actual ray of sunshine!' Since October, Witherspoon and Aniston have been hard at work executive producing and reprising their reporter roles in the second season of the Apple TV+ series

‘Happy birthday to this actual ray of sunshine!’ Since October, Witherspoon and Aniston have been hard at work executive producing and reprising their reporter roles in the second season of the Apple TV+ series

Witherspoon’s former Cruel Intentions co-star Selma Blair wished her ‘fearless friend’ a good one by sharing a Tim Walker photograph from her 2015 W Magazine spread.

Jennifer Garner gave the Stanford University drop-out a birthday shout out for being a Southern girl just like herself. 

‘I love actress Reese, mom Reese, boss lady Reese. But my favorite Reese is the one who sent me this photo because she knew it would make me happy,’ the 48-year-old Golden Globe winner wrote

‘Southern girls stick together. Happy birthday, @reesewitherspoon, I love you.’ 

'I adore you!' Natalie Portman - whose film Lucy in the Sky was produced by the Legally Blonde alum - thanked her for being 'the best leader and friend'

‘I adore you!’ Natalie Portman – whose film Lucy in the Sky was produced by the Legally Blonde alum – thanked her for being ‘the best leader and friend’

Reese's former Big Little Lies castmate Laura Dern got a hold of one of her childhood snaps and wrote: 'Who knew this would become one of the most extraordinary women ever, and my sister? Happy birthday, Miss Reese!'

Reese’s former Big Little Lies castmate Laura Dern got a hold of one of her childhood snaps and wrote: ‘Who knew this would become one of the most extraordinary women ever, and my sister? Happy birthday, Miss Reese!’

Chic! Witherspoon's former Cruel Intentions co-star Selma Blair wished her 'fearless friend' a good one by sharing a Tim Walker photograph from her 2015 W Magazine spread

Chic! Witherspoon’s former Cruel Intentions co-star Selma Blair wished her ‘fearless friend’ a good one by sharing a Tim Walker photograph from her 2015 W Magazine spread

'Southern girls stick together': Jennifer Garner gave the Stanford University drop-out a birthday shout out for being a Southern girl just like herself

‘Southern girls stick together’: Jennifer Garner gave the Stanford University drop-out a birthday shout out for being a Southern girl just like herself

Eva Longoria Bastón shared four Instastories dedicated to Reese and the time they were each other’s dates to the 75th Golden Globe Awards in 2018.

‘Happy birthday @reesewitherspoon! I love you to the moon and back!’ the 46-year-old SAG Award winner gushed.  ‘Best date ever! So lucky to have you by my side.’

Mindy Kaling called Witherspoon – whom she’s worked with three times – her ‘dear Reese dawg’ in her birthday tribute.

America Ferrera once spent a day with the Hello Sunshine co-founder at USC for her Netflix talk show, Shine On with Reese, in 2018. 

'Happy birthday @reesewitherspoon! I love you to the moon and back!' Eva Longoria Bastón shared four Instastories dedicated to Reese and the time they were each other's dates to the 75th Golden Globe Awards in 2018

The 46-year-old SAG Award winner gushed: 'Best date ever! So lucky to have you by my side.'

‘I love you to the moon and back!’ Eva Longoria Bastón shared four Instastories dedicated to Reese and the time they were each other’s dates to the 75th Golden Globe Awards in 2018

Penning Legally Blonde 3 script! Mindy Kaling called Witherspoon - whom she's worked with three times - her 'dear Reese dawg' in her birthday tribute

Penning Legally Blonde 3 script! Mindy Kaling called Witherspoon – whom she’s worked with three times – her ‘dear Reese dawg’ in her birthday tribute

'Happy birthday fellow Aries!' America Ferrera once spent a day with the Hello Sunshine co-founder at USC for her Netflix talk show, Shine On with Reese, in 2018

‘Happy birthday fellow Aries!’ America Ferrera once spent a day with the Hello Sunshine co-founder at USC for her Netflix talk show, Shine On with Reese, in 2018

'Happy birthday queen @reesewitherspoon!' Reese was regally honored by the likes of Jonathan Van Ness

'Happy birthday Reese!' Reese was regally honored by the likes of Tracee Ellis Ross

‘Happy birthday queen!’  Reese was also regally honored by the likes of Jonathan Van Ness and Tracee Ellis Ross via Instastory

‘Happy birthday fellow Aries, wonderful friend, and inspiring boss @reesewitherspoon!’ the 36-year-old Golden Globe winner wrote.

Reese was regally honored by the likes of Jonathan Van Ness and Tracee Ellis Ross via Instastory.

And Witherspoon’s post received glowing comments from her celeb pals Julianne Moore, Elizabeth Banks, Barbie, Isla Fisher, Jesse Tyler Ferguson, Nancy Meyers, Maria Sharapova, Gugu Mbatha-Raw, and Simon Kinberg.

The Draper James founder will next reprise her role as pig mother-of-25 Rosita in Garth Jennings’ star-studded animated sequel Sing 2, which hits US/UK theaters December 22.