Karlie Kloss calls having a child 'the greatest joy that I never knew'

Karlie Kloss shows off her edgy style in an orange ensemble as she and husband Joshua Kushner

Karlie Kloss  wraps up in khaki coat as she cradles her son Levi, 11 months, during stroll in London

Karlie Kloss bundles up in shearling coat and takes Valentine's Day stroll with gal pal in NYC