J. Alexander -- Caitlyn Will Be a Bigger Fashion Icon than Kim, But She Needs Walking Lessons (VIDEO)

America's Next Top Model star J. Alexander thinks Caitlyn Jenner will top Kim Kardashian in the fashion department by the end of the year, but walking is another story.

Miss J. was shopping on Rodeo Drive in Bev Hills Friday when our photog asked about Caitlyn's style. J. had nothing but praise, but would like to give her some lessons on stride.