The star also emphasizes their independence, saying of her relationship, "I'm whole, and you’re incredible too."
The breakthrough moment for the rising singer-songwriter led to a record deal with Darkroom/Interscope Records.
The in-demand audio engineer details going from scoring a dream job with OVO Sound to working on the superstar's anticipated project.
"She's probably sat there watching this, pining for a feature on a 1975 track," Matty Healy joked.
Cody Johnson and Walker Hayes, also honorees, will be performing at the event.
John Legend also praised 16-year-old Rowan Grace for having "so much artistry already inside" at her age.
"If enough people on the internet start echoing sentiments about you, it becomes part of your public persona and it’s out of your control," she said.
According to the would-be owner of Twitter, the rapper took their conversation "to heart."
"You have to approach it as just another acting gig," says the Mexican actor.
"Late Show" cold open jokes that "Kanye's social media presence is not getting stronger."