(TMZ) - The death of Paul Walker has struck a chord with rapper Flo Rida ... who took a moment during his live concert in Dallas last night to pay tribute to the late actor ... and TMZ has the footage.

[PHOTOS: Best of 106.1 KISS FM's Jingle Ball 2013]

Flo was performing at the 106.1 KISS FM Jingle Ball concert when he started to get emotional about Walker - saying, "He was a rider himself ... much love, god bless your family and yourself, Paul Walker."

It's unclear if the two were friends or if Flo was just a big fan.  Either way ... nice moment.

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