(CNN) Taylor Swift is doing something on April 26 and if the past is any indication, there's new music on the horizon.

A cryptic countdown clock appeared on the singer's website around midnight ET on Friday counting down to April 26.

That's 13 days from now. 13 is T-Swift's lucky number.

Adding to the mystery, Swift also changed her Twitter profile picture to the same pearly background on her website and posted a photo of a pink heart made up of sparkling gems.

This isn't the first time Swift has sent fans into a frenzy.

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