Maksim Chmerkovskiy -- 'Dancing with the Stars' Exaggerated Melissa Gilbert's Injuries

Melissa later announced on her Twitter she had sustained whiplash and a mild concussion during the performance -- but Maks tells us a different story ... insisting the actress just "bumped her head."We asked if "Dancing" producers tend to play up…

Katie Cassidy Katie Holmes Katy Perry Keira Knightley