Sting Freddie Mercury Would Turn Thumbs Down on Trump

7/19/2016 6:31 AM PDT

Sting has no doubt ... Freddie Mercury would be mighty unhappy that Donald Trump made his grand entrance Monday night to his iconic song.

Sting was leaving Craig's Monday night when our photog told him "We Are the Champions" was used to intro the Republican candidate.  

It took a nanosecond for Sting to give his take.