DK Metcalf might not have a ring yet, but his girlfriend Normani sure does ... 'cause the NFL star popped the question to the R&B singer -- and she said YES!!
The two-time Pro Bowler announced the engagement on Thursday at his introductory press conference with his new team, the Pittsburgh Steelers.
Normani -- famously known for her song "Love Lies" -- was present for the event .