United Kingdom, July 28 -- Heidi Klum is a "workaholic".

The 52-year-old model has hosted all 20 seasons of Germany's Next Top Model since its premiere in 2006, while she's also served as a judge on America's Got Talent, and Heidi admits that she feels compelled to take a hands-on approach to her work.

She told People: "I'm a workaholic, control freak.

"I've been so focused with the shows that I have been doing and making sure that everything that comes out of them looks good. I love what I do."

Heidi's passion for fashion and design remains undiminished.

She said: "My fashion heart still goes [crazy] when I see something fabulous, when I see an amazing dress, when someone does something new, I'm like, 'How did you come up with that?...