Corey Feldman blasts Maksim Chmerkovskiy’s claim that Jenna Johnson had a ‘difficult time’ with him on ‘DWTS’

Corey Feldman insisted that he practiced hard for “Dancing With the Stars” despite claims that he didn’t have a good work ethic. Jenna Johnson/Instagram Corey Feldman blasted claims that he and his “Dancing With the Stars” partner, Jenna Johnson, didn’t…