But what we didn't previously know about the party is.............KESHA WAS THERE TOO! RED-HEADED ABIGIAL INSTAGRAMMED THE PROOF:
Look at Kesha, being all Kesha-y next to a couple of Haim sisters!
Even though Taylor sent Kesha $250,000 back in February to help her financially as she continues to fight a legal battle against her allegedly abusive producer Dr. Luke, seeing these two hang out is a little surprising, no?