Gladys Knight performed a rendition of Amazing Grace in tribute to the late Aretha Franklin, and said ahead of the show: "I am so very honoured to have known her since we were both little girls".
Her unsurprising win allowed Taylor to steal the show yet again, and revel in the fact that her wild change in music has still landed her Artist Of The Year.
The 2018 American Music Awards was broadcast live on ABC.
Cardi's husband Offset also had reason to celebrate as his group Migos was named Favorite Pop/Rock Duo or Group.
Swift has already been in the limelight this week after a surprise Instagram post on Sunday in which she broke her long silence on politics and encouraged her more than 112 million followers on the platform to register to vote.
I'm writing this post about the upcoming midterm elections on November 6th, in which I'll be voting in the state of Tennessee. "She's just fantastic. Even though I'm in that category, I feel like I've won enough or whatever". The song is rumored to be about Kanye West or Calvin Harris, and amounts to Swift's insistence that she's not anxious about the consequences of her actions in this particular fantasy - especially since she thinks they're warranted. "Get out and vote", Swift said when accepting her trophy. Tell them to vote.
But it was Swift's activism that made the most impact.
Taylor Swift became the most decorated female artist in American Music Awards history on Tuesday night, as she picked up three top honours.
"Thank you God, first and foremost". At the Disco. The diva quota will be filled by headliners Jennifer Lopez, Carrie Underwood, Mariah Carey and the ever-provocative Cardi B.