Check out fun photos from the Chicagobased music festival's 20th anniversary. See John Stamos, 'Weird Al' Yankovic, Green Day, and more rocking out at Riot Fest

Check out fun photos from the Chicago-based music festival's 20th anniversary.

See John Stamos, 'Weird Al' Yankovic, Green Day, and more rocking out at Riot Fest 2025

Check out fun photos from the Chicago-based music festival's 20th anniversary.

September 23, 2025 4:38 p.m. ET

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John Stamos of the Beach Boys poses backstage at Riot Fest 2025 in Chicago.

From the basement to the main stage, the 20th annual Riot Fest did not disappoint this past weekend in Chicago.

Headlined by Green Day, Weezer, and Blink-182, the festival — which took place in Douglass Park —also brought an amazing collection of rising artists and fan favorites together. However, one of the most talked-about performances was when John Stamos — who is an honorary Beach Boy — joined the Beach Boys for their set on Saturday. It was a full-circle moment that was the result of a fantastic long-running social media campaign started by the Riot Fest founders 12 years ago to bring the actor and musician to the festival — along with his fictional *Full House* band Jesse and the Rippers.

While Jesse and the Rippers were no-shows, Stamos not only backed the Beach Boys on drums but joined pop group Hanson on stage for a fun performance of their hit tune "MMMBop."

On Friday, the festival kept things light by having "Weird Al" Yankovic headline his own Weird World Stage with a full set of opening acts including Mac Sabbath, Puddles Pity Party, and Sparks.

Aside from the killer 20th anniversary lineup, the festival experience included Riot Land amusement park, a wedding chapel, and even the chance to have your photo taken with a John Stamos butter statue.

"I started riot fest in my basement because I wanted to see my favorite bands and celebrate the musicians and venues that make Chicagos scene such a creative juggernaut — mostly artists with no backing other than their fans and indie labels," festival founder "Riot" Mike Petryshyn tells **. "How we made it to 20 years? The hard work of people who love this fest and what it represents as much as I do."**

Check out pics of Stamos, Hanson, "Weird Al," and more musical acts at Riot Fest 2025 below.

John Stamos and Mike Love of the Beach Boys

John Stamos and Mike Love of the Beach Boys at Riot Fest 2025 in Chicago.

'Weird Al' Yankovic

'Weird Al' Yankovic performs at Riot Fest 2025 in Chicago.

Taylor Hanson, Zac Hanson, and Isaac Hanson (a.k.a Hanson)

Taylor Hanson, Zac Hanson, and Isaac Hanson at Riot Fest 2025 in Chicago.

Green Day's Billie Joe Armstrong

Billie Joe Armstrong of Green Day performs at Riot Fest 2025 in Chicago.

Green Day's Mike Dirnt

Mike Dirnt of Green Day performs at Riot Fest 2025 in Chicago.

The Linda Lindas: Bela Salazar, Mila de la Garza, Eloise Wong, and Lucia de la Garza

Bela Salazar, Mila de la Garza, Eloise Wong, and Lucia de la Garza of the Linda Lindas pose backstage at Riot Fest 2025 in Chicago.

Blink-182's Travis Barker, Mark Hoppus, and Tom DeLonge

Blink-182 performs at Riot Fest 2025 in Chicago.

Jenny Lewis of Rilo Kiley

Jenny Lewis of Rilo Kiley performs at Riot Fest 2025 in Chicago.

Gwar performs at Riot Fest 2025 in Chicago.

Bad Religion's Greg Graffin and Brian Baker

Greg Graffin and Brian Baker of Bad Religion performs at Riot Fest 2025 in Chicago.

Idles performs at Riot Fest 2025 in Chicago.

Mac Sabbath performs at Riot Fest 2025 in Chicago.

Alkaline Trio

Alkaline Trio poses backstage at Riot Fest 2025 in Chicago.

The Bouncing Souls

The Bouncing Souls perform at Riot Fest 2025 in Chicago.

Original Article on Source

Source: "EW Music"

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Source: ShowBiz MAG

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