Em posted a "Walk On Water" teaser clip on Instagram and Twitter. However, it's still not clear when the full visuals will hit the internet.
In other news, there are reports the Detroit wordsmith could be one of the headliners for the 2018 Coachella Valley Music and Arts Festival. Beyoncé is also rumored to be co-headlining the event, so the two superstars could possibly unite on stage in Indio, California.
Coachella organizers are expected to announce the official lineup in early January. The 2018 edition is scheduled for April 13-15 and April 20-22.