The band behind the hit songs "Gimme All Your Lovin'," "Legs" and "Sharp Dressed Man" will perform July 25 at the Paso Robles Event Center, marking ZZ Top's third performance there.
ZZ Top first played the fair in 1999, and returned in 2004 — the same year the Texas trio was inducted into the Rock and Roll Hall of Fame.
Opening the show is "Bad to the Bone" blues rocker George Thorogood and his band, The Destoyers. He previously played the fair in 2011.
The recently announced acts join an entertainment lineup that includes stand-up comedian Gabriel "Fluffy" Iglesias and country artists Luke Bryan, Tim McGraw and Faith Hill.
Tickets for ZZ Top's show cost $31 to $81, and go on sale at 10 a.m. Friday.