Thirty Seconds To Mars brought out Knocked Loose frontman Bryan Garris at Lollapalooza on Friday (August 4) – check out footage below.Garris lent his screams to the Jared Leto-fronted band’s 2006 hit ‘The Kill’ at the Chicagoan festival, which concludes today (August 6).“I sang the kill with 30 seconds to mars today,” Garris tweeted after the set – check out fan-filmed footage of his and Leto’s collaboration below.@BryanGarris_ x @JaredLeto was wild. #Lollapalooza #Lollapalooza2023 pic.twitter.com/plIXKIP68m— kelsey. (@m4rvelgirl) August 5, 2023I sang the kill with 30 seconds to mars today— Bry (@BryanGarris_) August 5, 2023Lollapalooza isn’t the first mainstream pop festival Knocked Loose have been at this year – they made headlines when footage of their performance at Coachella went viral, and they also performed at Bonnaroo.