United Kingdom, June 30 -- Cara Delevingne was secretly engaged - even though she doesn't believe in marriage.

The 33-year-old star - who is in a relationship with musician Minke and previously dated the likes of St. Vincent, Amber Heard, and Ashley Benson - revealed she has "been proposed to" and also popped the question to someone because she liked the security it brought, but she's never been interested in the idea of a formal exchange of vows because she's worried about losing her "freedom".

Speaking on the Louis Theroux Podcast, she said when asked if she was engaged: "No. I have been engaged. Doesn't matter [who to] now. They're long gone. Sucks for them. Yeah ... I've been proposed to. I've also proposed to someone.

"I'm not tel...