Adrian Grenier cuts his signature locks

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Adrian Grenier cuts his signature locks
Adrian Grenier, from left, Kevin Connolly and Kevin Dillon arrive at the 72nd annual Golden Globe Awards at the Beverly Hilton Hotel on Sunday, Jan. 11, 2015, in Beverly Hills, Calif. (Photo by John Shearer/Invision/AP)
Jerry Ferrara, from left, Kevin Dillon, Adrian Grenier, Kevin Connolly, Emmanuelle Chriqui and Jeremy Piven arrive at the 72nd annual Golden Globe Awards at the Beverly Hilton Hotel on Sunday, Jan. 11, 2015, in Beverly Hills, Calif. (Photo by John Shearer/Invision/AP)
Emmanuelle Chriqui, left, and Adrian Grenier arrive at the 72nd annual Golden Globe Awards at the Beverly Hilton Hotel on Sunday, Jan. 11, 2015, in Beverly Hills, Calif. (Photo by John Shearer/Invision/AP)
Matt Lauer, left, and Jeremy Piven arrive at the 72nd annual Golden Globe Awards at the Beverly Hilton Hotel on Sunday, Jan. 11, 2015, in Beverly Hills, Calif. (Photo by John Shearer/Invision/AP)
Kevin Connolly, left, and Emmanuelle Chriqui arrive at the 72nd annual Golden Globe Awards at the Beverly Hilton Hotel on Sunday, Jan. 11, 2015, in Beverly Hills, Calif. (Photo by John Shearer/Invision/AP)
Kevin Dillon, left, and Adrian Grenier arrive at the 72nd annual Golden Globe Awards at the Beverly Hilton Hotel on Sunday, Jan. 11, 2015, in Beverly Hills, Calif. (Photo by John Shearer/Invision/AP)
Kevin Dillon, left, and Adrian Grenier arrive at the 72nd annual Golden Globe Awards at the Beverly Hilton Hotel on Sunday, Jan. 11, 2015, in Beverly Hills, Calif. (Photo by John Shearer/Invision/AP)
BEVERLY HILLS, CA - JANUARY 11: (L-R) Actors Kevin Dillon, Jerry Ferrara, Adrian Grenier, Jeremy Piven and Emmanuelle Chriqui attend the 72nd Annual Golden Globe Awards at The Beverly Hilton Hotel on January 11, 2015 in Beverly Hills, California. (Photo by Michael Kovac/Getty Images for Moet & Chandon)
BEVERLY HILLS, CA - JANUARY 11: (L-R) Actors Kevin Dillon, Jerry Ferrara, Adrian Grenier, Emmanuelle Chriqui and Jeremy Piven attend the 72nd Annual Golden Globe Awards at The Beverly Hilton Hotel on January 11, 2015 in Beverly Hills, California. (Photo by Michael Kovac/Getty Images for Moet & Chandon)
BEVERLY HILLS, CA - JANUARY 11: 72nd ANNUAL GOLDEN GLOBE AWARDS -- Pictured: (l-r) Actors Kevin Dillon, Jerry Ferrara, Adrian Grenier, Jeremy Piven, Kevin Connolly and Emmanuelle Chriqui arrive to the 72nd Annual Golden Globe Awards held at the Beverly Hilton Hotel on January 11, 2015. (Photo by Trae Patton/NBC/NBC via Getty Images)
BEVERLY HILLS, CA - JANUARY 11: 72nd ANNUAL GOLDEN GLOBE AWARDS -- Pictured: (l-r) Actors Kevin Dillon, Jerry Ferrara, Adrian Grenier, Jeremy Piven, Kevin Connolly and Emmanuelle Chriqui arrive to the 72nd Annual Golden Globe Awards held at the Beverly Hilton Hotel on January 11, 2015. (Photo by Trae Patton/NBC/NBC via Getty Images)
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Say goodbye to Adrian Grenier's signature shaggy hair!

The Entourage star posted time-lapse videos to social media on Tuesday that show him getting a serious summer trim down.

Change, it happens.

Posted by Adrian Grenier on Tuesday, August 4, 2015

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The actor didn't cut it all off, but went seriously short, buzzing the sides of his head and leaving a bit on top, a la Brad Pitt in Fury.

"Change, it happens," Grenier captioned the videos.

The cut also likely marks the end of an era for Grenier, who said goodbye to his mop-topped movie star character Vincent Chase in this summer's Entourage movie.

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