When Migos won Best Group at the BET Awards last night, Offset said "I thank my wife. You should thank yours."

Offset thanks his wife Cardi B last night at the BET Awards pic.twitter.com/i0iBLfzuYV

— Cardi B & Beyoncé News (@beyoncecardib) June 25, 2018

As far as we knew, Offset and Cardi were engaged, not married.

But Offset didn't misspeak.

TMZ did some digging and found out that the famous duo got a marriage certificate -- which is filed after you are officially married -- in Fulton County, GA on Sept. 20, 2017.

In fact, Offset's famous proposal in Philly last October happened when they were already legally hitched.

#PressPlay: #TSRProposals : Congrats to #CardiB and #Offset! Here’s a video of when he popped the question at #Powerhouse ❤️ via: @power99philly

A post shared by  The Shade Room (@theshaderoom) on Oct 27, 2017 at 8:17pm PDT

A belated congrats to the bride and groom.