Paul Shaffer Dave Grew a Hate Beard

5/26/2016 6:02 AM PDT

Paul Shaffer: David Letterman Grew a Hate Beard

EXCLUSIVE

David Letterman's beard is hate fueled ... so says his former band leader Paul Shaffer.

We got Paul and daughter Victoria Wednesday night at Craig's in WeHo, and he made it clear ... the more Dave's family complains -- and they do -- the bigger and bushier the beard gets.