Katy Perry had the best day “catching up” with Taylor Swift backstage at the Eras Tour last year.

Raising money to help rebuild communities devastated by fire, a line-up of stars will be appearing live in LA later this month

According to Glamour, the conflict began when three of Perry's backup dancers from her "California Dreams" tour joined Swift's "Red" tour but then left prematurely to join Perry on her "Prismatic" tour. This caused the feud to begin.

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.

Music's biggest names are joining forces for a pair of FireAid benefit concerts to support those displaced by the recent and ongoing wildfires. Katy Perry, John Mayer, Lady Gaga, Billie Eilish and Gwen Stefani were among the A-Listers tapped to perform at the two upcoming shows,

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.

Red Hot Chili Peppers were the last to take the stage at the Kia Forum at the FireAid benefit show for Los Angeles wildfire relief on Thursday night (Jan. 30), and the L.A. natives made sure to end the show on a high note.

Some of the biggest names in music are coming together to support Southern California with the FireAir benefit concert. Here’s how you can watch.

A lineup of A-list artists is set to perform in the FireAid concert on Thursday, Jan. 30, benefiting the victims of the deadly Los Angeles wildfires . Billie Eilish, Olivia Rodrigo, Lady Gaga, Jelly Roll and Stevie Wonder are some of the mega stars slated to take the stage.

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.

Billie Eilish, Lady Gaga, Olivia Rodrigo and other stars will perform Thursday at FireAid, a benefit concert to raise funds for those impacted by the Los Angeles-area wildfires.

The FireAid benefit concert on Thursday in Inglewood, California, features major artists raising funds for wildfire relief.