• Share
  • Tweet
  • Share
Taylor Swift, 1989 Tour, Dublin

Carrie Davenport/TAS/Getty Images for TAS

Whether you made it to one of Taylor Swift's 85 shows during her 1989 world tour or not, we all spent a good portion of 2015 talking about it, awing over the never-ending list of celebrity guests and wondering how in the world she pulled off such a tremendous feat.

Well, thanks to her just-released 1989 documentary—which dropped on Apple Music Sunday morning—we get a little glimpse behind-the-scenes of her incredibly successful show and the things that went into planning it.

The two-hour film directed by Jonas Akerlund (who also worked on Jay Z and Beyoncé's On the Run Tour film) documents her Nov. 28 show in Sydney, Australia at the AZN Stadium, but also answers so many of our burning questions.

Here are five things we learned:

Taylor Swift Concert, Mick Jagger

Getty Images

1. No, finding surprise guest wasn't hard for T.Swift (duh): "Getting people to say yes to come out onstage was a lot easier than I thought," the country-turned-pop singer says in the film. "It really showed me how many artists out there love what they do so much that they are willing to get up and play because it's fun."

I have no way to deal with this. Justin Timberlake is the BEST.

A video posted by Taylor Swift (@taylorswift) on

2. The one person she was worried about was Justin Timberlake:  "Of course I invited him out," she recalls. "But I did not expect him to say yes." Well, of course he did! And the film takes a look at some of their behind-the-scenes moments before taking the stage to perform his hit, "Mirrors."

Martha Hunt, Kendall Jenner, Serena Williams, Taylor Swift, Karlie Kloss, Gigi Hadid, Cara Delevingne

Brian Rasic/LP5/Getty Images for TAS

3. In general, the tour was all about having fun with her friends: "I feel like this tour and this album and this phase of my life have been about inclusivity. Doing it on my own, but doing it with friends," she says. "It's incredible how many performers are so gracious with their time. It made a lot of people happy."

Taylor Swift Video GIFs

giphy.com

4. Her favorite song to perform during the show was "Blank Space:" Swift called the song one of the biggest highlights from each show, explaining how she and her team hoped to give the audience a similar theatrical vibe as the music video.

Taylor Swift Concert Instagram

Christopher Polk/Getty Images for TAS

5. Her plans post-1989 World Tour includes carbs, lots of carbs: "I want to learn CPR. Maybe a mixology class. I want to learn how to, like, make a good drink," she says as the credits roll. "Maybe I'll just eat carbs and nothing else for the next couple of months. I don't have to wear any crop tops."

We feel you, girl!

Make sure to watch her full video on Apple Music (if you're lucky enough to be a subscriber).