Renowned actress and our beloved Rachel Green celebrated her 51st birthday yesterday! And between her sexy shoot and chat with Sandra Bullock, the actress received some of the sweetest birthday wishes not only from her million fans but also from her close-knit group of friends. Everyone from Jennifer’s "The Morning Show" co-star, Reese Witherspoon, Courtney Cox, Matthew Perry, to her ex-husband Justin Theroux took to Instagram to pour their love and share how much they adore the actress. 

Reese Witherspoon was one of the first ones to wish her

She shared a lovely picture of the two of them on Instagram as a birthday post and wrote: "Happy Birthday Jen! I couldn't ask for a better friend and partner to chase my dreams with. Life is way more fun with you in it." 

Jennifer's makeup artist, Angela Levin, also wished her

She took to Instagram to share a picture of her touching up Jennifer's makeup during a photoshoot. "Happy birthday my darling, my love, my golden sunshine, so many years we are together and she still take my breath away,” she wrote. 

Courtney Cox’s way of wishing her bestie was perhaps the best!

She posted a picture of herself dressed up as Jennifer Aniston- with a blonde wig and matching oversized glasses as stood alongside the real version- and tagged it with an apt caption. "No matter how hard you might try... there's only one Jennifer Aniston. Happy birthday, my dear friend, I love you,” she wrote.

Matthew Perry and Lisa Kudrow posted simple yet adorable birthday messages

While Matthew Perry posted a throwback picture along with the actress and wrote "Happy birthday, Jenny!", Lisa Kudrow, channeling her inner Phoebe Buffay, posted a grainy picture of Aniston and wrote. "Happy birthday Jennifer Aniston, I love you. Also, I just don't know how to post a picture right.”

Aniston’s ex-husband Justin Theroux also wished her in his own goofy way

He posted a funny black and white picture of the actress, with balled fists and shouting in anger, wrote: "Grabbing 2020 and another year like... Happy Birthday B." The duo got married in August 2015 and while they separated after two years of marriage, they remain good friends. 

Jennifer Aniston Jennifer Aniston attends the 2018 InStyle Awards at The Getty Center on Oct. 22, 2018, in Los Angeles, California. Getty Images/Matt Winkelmeyer