Ella Mai surprised fans with a very special guest during her tour stop in Brooklyn.
The Grammy-winning songstress brought out Meek Mill to perform their Championships duet "24/7."
Ella's "The Debut Tour" will hit Atlanta, New Orleans, Los Angeles and St. Louis, wrapping up in Nashville.
This Thursday Ella will perform at our 2019 iHeartRadio Music Awards, which airs live at 8 p.m. on FOX.
Check out her performance with Meek Mill below: