"Where Are Ü Now" is a song by Jack Ü, a collaborative project between producers Skrillex and Diplo, featuring vocals from Justin Bieber. The song was released in 2015 as part of the album "Skrillex and Diplo Present Jack Ü." The lyrics of the song talk about a person feeling abandoned and questioning the whereabouts of someone they once relied on. The protagonist expresses their disappointment and longing for this person in their life. They recall the times when they were there for that person, giving them love, faith, and attention, but now feel alone and abandoned. The chorus emphasizes the desperation and the need for the person they are addressing. They repeatedly express that they need them the most and question where they are in their time of need. Despite being there for this person during their difficult times, the protagonist feels left alone, questioning the loyalty and support they expected. The song overall portrays a sense of vulnerability and longing for someone who they believed would always be there for them. It showcases the emotional rollercoaster of love and the pain of feeling abandoned by someone they once held significant in their lives. Overall, "Where Are Ü Now" is a heartfelt expression of longing, disappointment, and the search for emotional support in times of need.