Well it's official, Luke Bryan is #1 again in country music and this time he did it with 'Knocking' Boots!"  Country superstar and American Idol judge latest single, "Knockin' Boots," has risen to the top spot on Billboard's Country Airplay charts. According to Billboard, the song gained 7% on country radio this week to achieve an audience of 39.4 million.

In addition, the son becomes Bryan's 21st No. 1 single and moves him into prestigious territory as he now ties fellow country stars Jason Aldean and Keith Urban for the sixth-most No. 1 singles on the chart ever. Kenny Chesney is the current chart champion with 30 No. 1 singles; followed by Tim McGraw, who has 29,; followed by Alan Jackson, George Strait, and Blake Shelton who all tie with 26 No. 1 singles.

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