People have been buzzing about Selena Gomez' tear-jerking AMA performance, but just when it seems to quiet down, she releases an emotional video diary about the performance.

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Gomez called the performance a 'lump in her throat' during the prepartion.

She posted the video diary to her YouTube channel on Wednesday with the caption: "Hope you guys enjoy :)."

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The singer performed her hit single "The Heart Wants What It Wants" at the AMAs and ended the song with tears in her eyes. Fans have speculated the singer was upset about her breakup with ex Justin Bieber.

Viewers watch her transition from before the performance to her reaction aftwerward. At one point, Gomez said about the song: "Somebody asked me a while ago, 'What's the one thing you wish people knew about you?'" she says. "And I said I wanted it to be my heart."

The diary then transitions to a conversation between Gomez and her friend, Tiana.

"I feel like on the day [of the AMAs], it'll be such a release," Gomez said. "I'm just excited that people everywhere who are feeling what I feel and feel that, will get to see that, and I just want people to be able to relate to that."

Viewers see her vocally warm up and emotionally warm up for the performance.

To get where she needed to be emotionally she said: "I listened to one of my favorite worship song. It's called "Oceans [Where Feet May Fail] by Hillsong United."

Viewers see Gomez take the stage, see clips from the performance and then exit the stage to be greeted by a swarm of her favorite people.

Watch the video below to see the performance preparation and hear in her own words how the whole experience made her feel.