Billie Eilish's 'Bad Guy' tops Billboard Hot 100, ends 19-week run for 'Old Town Road'

What you need to know about Billie Eilish

Sorry, "Old Town Road" fans: A new song has finally climbed to the top of the charts.

According to Billboard, singer-songwriter Billie Eilish's "Bad Guy" took the No. 1 spot this week from Lil Nas X and Billy Ray Cyrus, whose hit "Old Town Road" topped the Billboard Hot 100 for a record 19 weeks.

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Billboard tweeted that the 17-year-old Eilish, whose song was No. 2 for nine weeks, "is the first artist born in the 2000s to have a No. 1 song on the #Hot100."

Lil Nas X, whose real name is Montero Lamar Hill, took to Twitter to congratulate Eilish.

"U deserve this!!" he wrote.

Cyrus echoed the sentiment.

"Well deserved," he tweeted. "Your persistence paid off. Thanks everybody. It was a hell of a ride."