David, who has four children - Brooklyn, 13, Romeo, nine, seven-year-old Cruz and 11-month-old Harper - with his spouse, knows it was hard for her to establish her career away from her background as a singer with the Spice Girls.
"I'm so proud. When you prove people wrong it's really satisfying and I think she's done that," contactmusic.com quoted the 37-year-old as saying.
"To go from a Spice Girl, a pop star in the biggest girl band in the world, to a respected fashion designer, that's a hell of a step. Even I know that's a hard thing to do. She's done unbelievably well," he added.
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