Los Angeles, Oct. 3 -- Actor Millie Bobby Brown has sent an adorable birthday wish for her 'Stranger Things' co-star and close friend Noah Schnapp.

Sharing a cute picture of Noah, Brown wrote, "Happy birthday cutie. I love you for eternity @noahschnapp."

Resharing the same on his Instagram story, Noah added, "Love u moreee."

The friendship between Millie Bobby Brown and Noah Schnapp remains one of the most beloved off-screen bonds to come out of 'Stranger Things'.

The co-actors have time and again shared affection for each other on social media. Earlier in February, Noah Schnapp marked Bobby Brown's birthday, calling her his "superhero twin."

The actor wrote, "Happy birthday to my longest friend. Mil, I'd be lost without you. Here's ...