How old was Millie Bobby Brown in Stranger Things?
12/15/25 6:23pm
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Millie Bobby Brown (now Millie Bonnie Bongiovi) was 11 years old when she started filming the first season of Stranger Things, and she was 12 years old when the show premiered in 2016. Here’s a breakdown of Millie’s age for each of the seasons:
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- Season 1: 11-12 years old
- Season 2: 12-13 years old
- Season 3: 15 years old
- Season 4: 17-18 years old
- Season 5: 20-21 years old
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