I watched the 'Food, Inc.' documentary and was like, 'This has opened my eyes to the meat industry - maybe I should go vegetarian.' And my friend told me, 'Sadie, you're not gonna last a week.' But I'm very competitive.

I always felt stupid at the skate park. Everyone else is just wiping out and getting hurt, but they didn't even have helmets and knee pads - and I'm over here looking like some kind of marshmallow. I felt so ridiculous.

To see that the campaign I did for Kate Spade is on the home page, that's insane. The number of times I've logged onto this website and just dreamed about all these clothes, and now I'm in this campaign - I'm so blessed.

I'm usually the kind of person where if someone tells me, 'Oh my God, you have to watch this show. It's amazing,' I kind of want to go against it and not watch it. But for 'Stranger Things,' I couldn't resist. I had to watch it.

I worked with a skateboarding instructor for three hours every day. We would go to the park and do ramps. I had to wear a ridiculous amount of gear - elbow pads, knee pads, every kind of pad, plus a helmet - to stop myself from getting hurt.

My stylist told me Chanel wanted to dress me for the 'Stranger Things' premiere. It was such a big deal for me, knowing that Chanel wanted to work with me and that I was gonna go to one of my first big red carpets wearing Chanel. That was such a huge moment for me.

I've always loved fashion, but I think that right now, it's hit its peak - I'm just so obsessed with clothes and paying attention to brands and collections. I guess 16 is kind of the age when you start to develop opinions on all that and knowing what suits your style.

There was one time during my busiest month when I went into school, and they were like, 'Sadie, where's your calculator? The PSAT is today.' I was like, 'The what?' Luckily, it was the practice one, but I still had to text my dad and get him to bring me my graphing calculator.

My friend had told me about 'Stranger Things' and how I had to watch it. I was like, 'OK, I will!' I binged it in, like, a day and was like, 'Oh my gosh, Mom, you need to watch this show. Everyone needs to watch this.' A week later, I got the breakdown for Max. A month later, I got the part.

Before, I would just only stick to a few certain colors that were considered good for my skin tone and good for my hair. But ever since 'Stranger Things,' the wardrobe people there, they would always stick me in these super bright colors. I discovered all these new colors that I just like wearing.

Now it's like, I'll go to Starbucks, or I'll go to the mall or anywhere, and lots of people will recognize me, and I'm like, 'Oh, wow, this is actually a thing now; this is happening.' It can get a little bit crazy at times, but I love meeting people, and people shouldn't feel scared to come up to me and say 'Hi.'

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