All the Juicy Behind-the Scenes Scoop at #TIFF15

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Sarah Silverman of I Smile Back — Photo: Alex Reside for InStyle.com

The Toronto International Film Festival wraps up this weekend, and what a festival it's been. Stars including Kate Winslet, Rachel Weisz, Julianne Moore, Ellen Page, Bryan Cranston, Liam Hemsworth, and more swung through the northern city to garner buzz for their latest projects, and many of them made a stop at InStyle's portrait studio, benefitting water.org, to get their photos taken and give us the scoop on their new films. In between snapshots and interviews, the stars relaxed, hung out, and caught up with their co-stars in our lounge, which was so relaxed and chill some celebrities stayed long after they originally planned. "Now this is a space," said Winslet when she arrived. "We should be hanging out in here all day!" She couldn't, sadly, but we sure enjoyed having her. See some highlights and overheards from the five-day photo shoot below, and scroll through the gallery to see some of our favorite behind-the-scenes moments.

Some highlights: Brie Larson caught her 8-year-old co-star Jacob Tremblay digging into a candy bar. Kate Winslet stopped an interview to get a chocolate chip nut cookie. Emily Blunt climbed the three flights up to our studio in flats and then switched into heels to take her portrait. Benicio Del Toro flipped through the September issue of InStyle magazine. Sandra Bullock ate Jelly Bellys during a break between photos and videos. Harvey Keitel wrapped a cookie from Maman Bakery and took it to go for his 11-year-old son.

Some overheards: "Does anyone have a clamp or a leprechaun to hold back my dress?" -Julianne Moore "I watch a lot of America's Next Top Model." -Sarah Silverman on how she poses so well

Some coffee orders:

Barrista Denis Grishchenko was the hero of the TIFF portrait studio, simply because he kept the stars (and their handlers) happily caffeinated. Check out some star coffee orders here. Idris Elba: Black coffee with one sugar Emily Browning: Black coffee Matt Damon: Double shot latte Michael Caine: Black coffee with milk Bryan Cranston: Strong latte John Goodman: Double espresso Alicia Vikander: Black americano Clémence Poésy: Flat white (australian latte) Brie Larson: Dirty Chai (almond) Alfonso Cuarón: Espresso Kate Winslet: Americano with hot soy (aka an American Misto), then a soy latte John Slattery: Espresso Liev Schreiber: Espresso

Check out more behind-the-scenes moments in the gallery.

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Michael Peña and Kate Mara from The Martian

Matt Damon's co-stars, Michael Peña and Kate Mara, stopped by the water.org area of our TIFF portrait studio to check out the good work he's been doing for the environment.

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Naomi Watts and Elle Fanning from About Ray

The blonde duo play mother and daughter in About Ray, and their love for each other runs deep off screen, too. When photographer Jens Langkjaer shot them in our studio, they hugged each other throughout the shoot.

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Jessica Chastain from The Martian

Jessica Chastain was bombarded by fans when she walked into the studio to discuss her film, The Martian, and she was in such a rush that she told them she would come out and take pictures with them as she was leaving. Even though she was still in a rush on her way out, she upheld her promise and posed for photos.

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Matt Damon of The Martian

Damon dropped by to chat about his role in The Martian, and he loved that we were benefitting his organization, water.org, which helps provide sustainable long-term water solutions to communities in developing countries.

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Tom Hiddleston from I Saw The Light

Hiddleston plays country crooner Hank Williams in I Saw The Light, and he really wanted to communicate the good old country boy vibe in his photo, as you can see here.

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The food

Every morning we had a fresh delivery of berries and yogurt at the studio. Everyone loved it—including Bryan Cranston and David Oyelowo, who enjoyed parfaits together.

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The food

The pancakes were delicious, but nobody really indulged in them, though.

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Kiernan Shipka of February

Shipka's Valentino dress turned heads as soon as she walked into the studio. She talked about being on Mad Men and growing up on-camera.

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Idris Elba from Beasts of No Nation

Beasts of No Nation star Idris Elba came by looking super stylish and gave us the scoop on his new menswear line for Superdry, which comes out in November

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David Oyelowo and Bryan Cranston

One of the best things is when casts meet each other in our studios. One of our favorites: two greats, David Oyelowo of Five Nights in Maine and Bryan Cranston of Trumbo, had a deep conversation when they were inside.

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Tom Hiddleston of I Saw the Light

Hiddleston charmed our editors at the InStyle and Hollywood Foreigh Press Association's annual party, where he worked the room and talked to everyone.

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Team InStyle

Editors from both the East Coast and West Coast met up in Toronto to put this together. We had people reporting for photo, digital, video, entertainment, and news.

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The Barista

Meet our hero of the studio, Denis Grishchenko. Stars made a bee line to get to him at the coffee bar, where he turned a black Americano for Alicia Vikander, espresso for John Slattery, and a dirty almond chai for Brie Larson.

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The Coffee

This is one of his great creations. A true artist, he took his coffee really seriously.

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Liam Hemsworth of The Dressmaker

Senior editor Sharon Clott Kanter interviewed Liam Hemsworth of The Dressmaker. They chatted about Hunger Games and men's tailoring while she stared into his blue eyes.

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Joel Edgarton of Black Mass

Senior Entertainment Editor Karen Levy had a vivacious conversation with Black Mass star Joel Edgarton about how appearance can be daunting for men, as well as women.

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Sarah Silverman of I Smile Back

I Smile Back star Sarah Silverman came in and said she was exhausted from partying the night before, but she wanted to make sure she was up and ready for us the next morning. She made everyone laugh the whole time while she was taking her picture.