Phoebe Bridgers joined Billie Eilish as a special guest tonight during the second of Eilish's hometown year-ending shows at Los Angeles' Kia Forum this week.

Watch Bridgers and Eilish perform 'Motion Sickness' together live below...

phoebe bridgers ? billie eilish pic.twitter.com/cNOkw0h1ue

— Coup De Main (@coupdemain) December 16, 2022

Phoebe Bridgers and Billie Eilish singing Motion Sickness tonight at the Kia Forum! pic.twitter.com/zLTmqt9pNQ

— phoebe on tour (@bridgersontour) December 16, 2022

PHOEBE BRIDGERS AND BILLIE EILISH. ON ONE STAGE. MY MULTIVERSE OF MADNESS. pic.twitter.com/16E2WTs3rt

— polina! ? (@iwasmaroon) December 16, 2022

.@Phoebe_Bridgers x @BillieEilish.#HTEEncoreShows #HTEEncore2 pic.twitter.com/u29d9R1S50

— The Kia Forum (@thekiaforum) December 16, 2022

Backstage with @BillieEilish’s extra special guests for Night 2: @Phoebe_Bridgers and our Kia Forum Best Friend, Dave Grohl.

(?: @TimothyNorris / Kia Forum Photos) #HTEEncore2 #HTEEncoreShows pic.twitter.com/pBk3ymPvJe

— The Kia Forum (@thekiaforum) December 16, 2022

Watch Phoebe Bridgers and Billie Eilish perform 'Motion Sickness' live together.