Talk:How Deep Is Your Love/@comment-30900567-20170113114600

Judging by the thumbnail, we can see that

The coach has similar hair to Run the Night

Run the Night had a coach that resembles Gigi Rowe

That coach only played and actual coach in that one song,

Since Run the Night had a new performer that only did one song, Jessie Perot, (or however you spell her name) I'm guessing performes as the coach for this song.