John Shearer / WireImage.com 1 / 6
John Shearer / WireImage.com 1 / 6

Adrian Grenier is bringing his LA swagger to California's most famous zip code, "90210." His real-life musical entourage, band The Honey Brothers, will rock out on the September 27 episode of the show, according to Entertainment Weekly.

The rhythmic actor will play the drums for a super-sweet 18th birthday bash for character Naomi, portrayed by AnnaLynne McCord. Is the birthday girl wishing to capture the attention of the handsome "Entourage" star? Tune in to find out!

The third season of "90210" premieres on September 13 on the CW.

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