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Miley Cyrus poses backstage during I Am The Highway: A Tribute To Chris Cornell at The Forum on Jan. 16, 2019 in Inglewood, Calif.
It's 2020, and a new era of Miley Cyrus is imminent.

On Jan. 1, the singer uploaded a retrospective video featuring highlights (and some low times) from the past 10 years of her life that she's calling "10 Years in 10 Minutes." The montage has fans -- and Cyrus' own mother, Tish -- feeling both sentimental and eager for what's to come.

"I cannot believe what I just watched," Tish commented on Instagram. "I just watched the last 10 years of my life flash before my eyes. I am so proud of u @Mileycyrus. Cant wait to see what the roaring 20’s has in store for us! Im ready for the ride!"

The ball drops during the 2020 New Year Celebration on Dec. 31, 2019 in New York City.
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The teaser recaps an entire decade of Miley and ends with previously unseen footage that seems to give a taste of what Cyrus has in store next. The last 10 seconds of the video, captioned with "2020 New Era Starts Now," show her posing in an "I Am Here" crop top to a new song fans believe may be called "Bad Karma." (Cyrus first previewed a song with a similar rhythm and feel back in May.)

Watch the video below to get up to speed on everything Miley Cyrus.