Halsey has touched on her friendship with BTS member Suga and why they have such a special connection.On May 17, Halsey took to her Instagram account to reminisce on her seven-year friendship with Suga. The post comes just days after she made a surprise guest appearance during Suga’s May 14 concert at the Kia Forum in Los Angeles, where the duo performed ‘Suga’s Interlude’ live for the first time.“I’ve shared a stage with my friend many times, but never alone and never like this,” Halsey said of the experience.