Although Katy Perry is best-known for frothy, off-the-walls pop music, the Billboard Hot 100 topper opened her Thursday (Jan. 30) night mini-set during the FireAid LA Benefit Concert with a very different type of energy.

Katy Perry has something to say about Carrie Underwood replacing her as a judge on American Idol.

Rod Stewart, Katy Perry and Lady Gaga were just some of the famous faces who performed at FireAid on Thursday, a benefit concert raising money for those affected by the devastating Los Angeles wildfires.

Katy Perry belted out “California Gurls,” and Joni Mitchell offered a rare performance as Angelenos spoke movingly about loss — and resilience.

Follow live updates on the FireAid benefit concert, which will feature performances from Billie Eilish, Lady Gaga and more, as they raise money for Los Angeles-area wildfire victims.

Lance Bass and JC Chasez have an *NSYNC reunion for L.A. wildfire relief, plus Kate Middleton, Katy Perry and more. From New York to Hollywood and everywhere in between, see what your favorite stars are up to.

Katy Perry’s onstage costumes are a masterclass in camp. Since popping off in 2008, she’s worn the most whimsical pieces, from cupcake bras to reindeer-inspired lingerie. However, to perform at the FireAid Benefit Concert for California Fire Relief on Thursday, Jan. 30, she switched it up and went the understated, meaningful route.

The two-venue FireAid Benefit Concert was held in Los Angeles on Thursday night to help raise money for the Southern California communities affected by the devastating fires that ignited earlier this month.

Billie Eilish, Pink, Katy Perry, Nirvana and Dr Dre were among the stars who performed at FireAid on Thursday, a benefit concert in Los Angeles to help the area recover from two of the largest fires in its history.

Headline acts for the show at the Kia Forum included No Doubt, led by Gwen Stefani, which formed in Anaheim in 1986. Before FireAid, the band has only performed once — a reunion at Coachella in April 2024 — since going on hiatus in 2015.

Katy Perry, who just announced the U.S. leg of her upcoming Lifetimes Tour, exclusively told E! News how she and fiancé Orlando Bloom show up for each other amid their busy schedules.