Ross performed a medley of her hits and received a congratulations message from former President Barack Obama and his wife Michelle. Ross' daughter Tracee Ellis Ross hosted the gala, which aired live on ABC.
Keith Urban was also a big winner at the AMAs. He was voted Favorite Male Artist -- Country and also picked up the trophies for Favorite Album -- for Ripcord and Favorite Song -- Country for "Blue Ain't Your Color."
Imagine Dragons was deemed Favorite Duo or Group -- Pop/Rock; Linkin Park was selected Favorite Artist -- Alternative Rock; and Luis Fonsi and Daddy Yankee earned the Collaboration of the Year title for their hit song "Despacito."
Other winners included Shawn Mendes for Favorite Artist -- Adult Contemporary; The Chainsmokers for Favorite Artist -- Electronic Dance Music; and DJ Khaled for Favorite Song -- Rap/Hip-Hop for "I'm the One."