Dancing With the Stars' Jenna Johnson is chiming in after brother-in-law Maks Chmerkovskiy's unfiltered comments about first-time pro Jan Ravnik. "I think everyone is welcome to have their own opinion," Johnson, 31, exclusively told Us Weekly at Variety's Power of Women event in Los Angeles on Wednesday, October 29, honoring a group of women dedicated to philanthropy as well as the most powerful women working in media and entertainment.