Less than a fortnight before Dave Grohl shaded Taylor Swift , his bandmate, Pat Smear, was enjoying her Eras Tour. On June 21, Smear was one of several A-list stars packed into Wembley Stadium to witness the first of Swift's three-night tour stop in London. His attendance was revealed by Salma Hayek , who recapped her night at the Eras Tour on Instagram.

In a smiling selfie, the Foo Fighters guitarist, 64, poses alongside both Hayek and Stella McCartney . "Living our wildest dreams," Hayek captioned her post, which also featured appearances from Nicola Coughlan , Leslie Mann and Jonathan Van Ness . The next night, Smear hopped across town to perform with the Foo Fighters at London Stadium.

During the show, the band's lead singer made a dig at Swift. "I tell you, man, you don't want to suffer the wrath of Taylor Swift," Grohl said. "So we like to call our tour the 'Errors Tour.

' We've had more than a few eras and more than a few f**king errors as well. Just a couple. That's because we actually play live.

What? Just saying. You guys like raw, live rock 'n' roll music, right? You came to the right f**king place." Swift, 34, seemingly responded to Grohl's comment the following night, telling her third sold-out crowd, "Every one of my band members, every single one of our crew, my band -- who's gonna be playing live for you for 3.

5 hours tonight -- they deserve this so much. And so does every one of my fellow performers. And you just gave that to us so generously, we will never fo.