Millie Bobby Brown taking a 'rest' between appearances and 'Stranger Things' filming

The 13-year-old actress apologized for canceling a recent event.

The 13-year-old has been seen hitting a string of red-carpet and high-profile events, often alongside her fellow cast members.

Brown thanked her fans and apologized for missing the Comic-Con.

"I'm sorry to everyone who was going, and I promise you guys I'm going to get back to you," she said. "I love you guys all. Thank you so much for your continued support."

The second season of "Stranger Things" is scheduled to hit Netflix on Oct. 31.