United Kingdom, April 13 -- Donald Trump once declared himself to be Bruce Springsteen's "biggest fan".

The US president has been locked in a war of words with the Born in the USA hitmaker after the veteran rocker repeatedly criticised his administration on stage, and while he recently branded the musician a a "dried up prune" , Bruce's former drummer, Vini 'Mad Dog' Lopez, has revealed the former Apprentice star once held a very different viewpoint.

Vini met Trump at his golf course in Bedminster, New Jersey when he was working as a caddy and remembered his interaction with the 79-year-old business mogul as warm.

The former golf caddy told the California Post newspaper: "He was very nice to me. He was very inquisitive and introduced m...