When people think ofChristie Brinkley, the first thing that comes to mind isn’t singing.

“I worked really, really hard to get prepared.

I literally would be lying in my bed at night with my feet doing the steps.

Christie Brinkley smiling

“It’s about having fun and they really make a big point about that,” she toldPeople.

“You’re there to have a good time.

In fact, Brinkley’s three children even got into it.

Christie Brinkley & children

Brinkley revealed that “the two of them are still out there, they loved it so much.

So it was life-changing for the whole family.”