Don't you just love a celebrity who doesn't take themselves too seriously?
The 39-year-old German beauty, who is renowned for her love of dress up (Halloween, anyone?) and funny antics, got into the spirit of things last night as she hula-hooped with the talk show host in her shimmery party dress.
Some stars find contending with a mini dress for a seated TV interview difficult enough, never mind whipping their hips for an unscheduled hula-hopping exercise. Good skills, Heidi.
We're all for a side of fun with our fashion, aren't you?
Peruse more of Heidi's fashion highlights in our gallery...