"Okay, it's shoes or something," Duff recalled thinking as she went to her sister's house, where Comrie had said he left the present in the garage. "I opened the garage, and I was just like shocked, just standing there."

Before her, with a big red bow on top, was a Mercedes-Benz G-class SUV

"I was planning on getting a big car and I drive a big car anyway, and I was just like, 'You know maybe I like the G-Wagen,' and then I was like, 'No, maybe I like the [Porsche] Cayenne,' " says Duff, whose manager steered her away from the Porsche, reminding her that she was a "terrible driver" and "didn't need that kind of power."

"I've driven it tons," Duff said of her birthday present. "When I called him I was like, 'You're crazy! It's perfect!' "