"It's definitely not like "Friday" or like "Saturday" or anything I've really released, which is why I'm a little nervous about it," the singer/YouTuber revealed on the PEOPLE and Entertainment Weekly VidCon stage on Thursday.
But while the recent high school graduate says that she's been working on her debut album (which she hopes to have out before the end of the year) since the "Friday" video hit the web, it wasn't until recently that things really started to take shape.
"I found a producer that I could work with well and that really understood what I wanted," Black said. "A lot of it beforehand was sort of like songs picked for me, and I wasn't really cool with that. Once I started actually getting into the writing process and being a writer on every song and loving and really connecting with every song, I think we are creating something really magical."
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As for her infamous breakthrough single, well, Black doesn't "regret that at all," she said. "I'm proud of it."
But that doesn't mean she's not eager to leave "Friday" behind her: "I think the joke is ... past."
Reporting by PATRICK GOMEZ