Millie Bobby Brown Has the Sweetest Birthday Message for Her ‘Stranger Things’ Co-Star

Eleven is wishing Will Byers a happy 13th!

Millie Bobby Brown took to Instagram today to share some sweet throwbacks with her “Stranger Things” co-star Noah Schnapp and wish him “the best day ever.”

“The laughs we share will forever be a memory and you mean the absolute world to me!”

Happy birthday to my other half. My partner in crime. My school bud. I love you so much and I hope you have the best day ever! The laughs we share will forever be a memory and you mean the absolute world to me! You’re now a teen! wohooo! see you soon! ❤️

A post shared by Millie Bobby Brown (@milliebobbybrown) on Oct 3, 2017 at 4:28am PDT

Finn Wolfhard also shared a snazzy pic to celebrate the occasion.

Happy birthday to @noahschnapp Have a great birthday. Love you!

A post shared by Finn Wolfhard (@finnwolfhardofficial) on Oct 3, 2017 at 8:53am PDT

Even Noah himself joined in on the fun and wished his fraternal twin Chloe a happy birthday as well!

https://www.instagram.com/p/BZxb3xPF8YW/

Birthday love all around!

Here’s what is in store for Eleven in season two!