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Selena Gomez and Halsey all interactions in their career: a thread of my brand 
selena gets asked in a interview about who she would like to collab with and she mentions halsey!
Halsey posted an ig story using Selena's shoes from her PUMA collection!
Halsey posted an ig story listening to Look At Her Now and Selena answered in twitter with a heart!
When Rare came out Selena went to Target to buy it and she showed in a ig story that she was wearing her own merch and Graveyard by Halsey was playing at the background
Halsey showing love and support to Selena when Look At Her Now came out!
This is not a directly Selena and Halsey interaction but Mandy (Selena's mum) reposted Halsey's statement on ig stories about Taylor's masters
Halsey singing Look At Her Now at the backstage of the AMAs 2019
Halsey (and Taylor) hyping Selena up at her performance in the AMAs 2019 of Look At Her Now
Halsey bought Rare on iTunes too!
another video of Halsey singing to Look At Her Now live in the AMAs 2019
Halsey liked Selena's tweet when Rare was released
also i forgot to add that they met in Coachella 2017 bc The Weeknd!!
