Jennifer Garner’s birthday tribute to Reese Witherspoon included saxophone and a full band uniform.

On Friday, the “Peppermint” star Jennifer Garner had the best ever birthday tribute to her friend Reese Witherspoon.

Reese's longtime friend Jennifer Garner, actually broke out her saxophone and marching band uniform to play the song “A Groovy Kind of Love”.

The mother of three posted the tribute on her Instagram page with the caption, “Many moons ago, my high school marching band played this song for homecoming. Today I play it for my boo, @reesewitherspoon. We have a groovy kind of love. Happy birthday, Lady,” she added.

Garner, however, wasn’t the only celebrity to wish Witherspoon a happy birthday. In fact, some of Witherspoon’s fellow “Big Little Lies" co-stars Zoe Kravitz, Nicole Kidman, and Laura Dern also paid tribute to the actress.

“I mean honestly. how happy are we all about @reesewitherspoon being born? This day should probably just be a national holiday,” Kravitz wrote.

“You deserve all the love and hugs in the world. Wishing you a happy happy happy birthday beautiful woman. Love being on this journey of life with you,” Kidman said.

“Today is one of my favorite holidays. It’s Celebrate Magic Day, otherwise known as Reese’s birthday. Deep, powerful, true and badass beyond measure,” added Dern.

While her co-stars posted tribute with her photos on Instagram, Others, such as talk show host Ellen DeGeneres and model Cindy Crawford, also wished the star well on her birthday with a video compilation from their show.

Cindy Crawford took it way back with a clip of her interviewing a then 21-year-old Witherspoon.

Likewise, Ellen DeGeneres posted a sweet compilation video of Reese’s many visits to her talk show throughout the years.

Similarly, Reese herself wished a happy birthday to herself while thanking @draperjames!for a beautiful birthday present on Instagram.

She captioned the birthday tribute to herself with" For my birthday I just want all the cake, all the flowers, and all the candy... is that too much to ask?! Thank you for the sweet wishes, feeling like one very lucky lady (even received my own birthday bag from @draperjames!) 💕