Johnny Gill says he was watching LIVE when the Seahawks receivers paid homage to New Edition with their TD celebration on Monday ... and tells TMZ Sports he loved every second of it!!!
The 'Hawks turned the gridiron into a dance floor after a 3rd quarter touchdown to David Moore ... re-enacting the iconic "If It Isn't Love" choreography from the boy band's 1988 hit music vid.
The Internet went crazy after the TD celly and the R&B legend appreciated it even more -- not only 'cause he's a Seahawks fan .