United Kingdom, Aug. 27 -- Gigi Hadid's relationship with Bradley Cooper is "so different" to anything she's had before.

The 31-year-old model - who has five-year-old daughter Khai with former partner Zayn Malik - has been dating the Hangover actor for three years and she loves how "honest" they can be with one another.

She told France's Vogue magazine: "What's beautiful about my current relationship, and so different from what I've experienced before, is the ability to be deeply honest. To say what we think, when we think it."

Noting it isn't always easy, she added: "But if it's impossible, it probably means it's not the right person."

The Guest in Residence founder and her 51-year-old boyfriend - who has daughter Lea, nine, with ex-...