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Miley Cyrus keeps promise to 'be good' at VMAs with 'Younger Now' performance

/ Source: TODAY

Four years after courting controversy with her infamous twerk-fest at the 2013 VMAs, Miley Cyrus made a special promise to her dad, Billy Ray Cyrus.

"Sorry Dad.... I'll be good tonight," she wrote on Instagram, alongside a throwback shot of her racy "Blurred Lines" performance with Robin Thicke.

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And at Sunday evening's awards show, she was true to her word.

Miley Cyrus performs onstage during the 2017 MTV Video Music Awards in Los Angeles.John Shearer / Getty Images for MTV

Cyrus, 24, charmed MTV viewers with a retro-themed rendition of "Younger Now," the title track from her upcoming studio album. The singer sported a pinup-worthy fuchsia ensemble, later donning a '50s-style poodle skirt for the rockabilly-inspired performance.

Her backup dancers included men and women of all ages.John Shearer / Getty Images for MTV

She had help from a diverse cast of backup dancers of all ages — including some stylish older ladies.

The awards show was a family affair: Not only was Miley's single "Malibu" nominated in the Best Pop category, but her sister Noah was up for Best New Artist.

We're loving the new look, Miley!

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