Diplo, 36, posted on Twitter a photo of him hugging Zedd and about to kiss him, captioning it, "selenagomez watch out."
In the photo, Diplo wore a green military jacket and a hat. Zedd, who was smiling at the camera, donned a black jacket, reported Aceshowbiz.
Gomez, 22, replied to him by posting a series of emoticons including laughing face, pouting face and unamused face.
On the same day, Zedd, 25, shared a photo of himself and Gomez hanging out in a recording studio along with caption, "I'm on the left."