United Kingdom, May 26 -- Karlie Kloss has gushed that husband Joshua Kushner is her "biggest champion".

The 33-year-old model - who has Levi, four, and 19-month-old Elijah with her spouse and is pregnant with their third child - has made rare comments about her other half and how he told her to never "lose yourself" in becoming a mother.

Speaking on the 'Aspire' podcast, she said: "Josh, my husband, we've been together since I was 19. We've grown up together. He's always been my biggest champion."

She continued: "Especially in this adjustment into motherhood, he's been somebody who's like, 'Karlie, you cannot lose yourself. You will not be happy and then our children will feel that.'

"That's something I so appreciate, that he has bee...