Bey touches down in Philadelphia on Wednesday night (July 12) for the first Stateside show of the tour.
The "Barbie World" rapper also gave Will Ferrell a shoutout.
Williams is featured on the "From the Vault" track "Castles Crumbling."
Swift urged fans to have "kindness" and "gentleness" online after performing the track for the first time live in a decade at her Minneapolis Eras Tour stop.
Jepsen's previous release, The Loneliest Time, was released on Oct. 5.
The "Nonsense" singer also posted fun photos with actress Joey King & singer Zara Larsson.
The cage match between Mark Zuckerberg and Elon Musk was called off, but the two tech billionaires will square off in another way.
Lizzo has opened up in recent weeks about the body-shaming comments she receives online.
In a letter to Shou Zi Chew, the lawmakers cited new reports that raise questions about the Chinese-owned company's practices -- and Chew's own testimony.
Cudi thanked Swift personally "for helpin out w the tix."
