Heidi Klum & Martin Kirsten: Bike Rides With The Kids!

Heid Klum enjoys a family day out while riding a pink bike on Thursday (December 27) in Santa Monica, Calif.

The 39-year-old Project Runway host and her beau Martin Kirsten were joined by two of Heidi‘s children, Henry and Leni.

PHOTOS: Check out the latest pics of Heidi Klum

Heidi showed off her bike riding skills by standing up while letting her bike glide behind Leni‘s.

During a break, Henry got playful and started making funny faces at the photographers.

FYI: Heidi is wearing the Heidi Klum for New Balance 360 jacket and riding a Paul Frank bicycle.

10+ pictures inside of Heidi Klum and Martin Kirsten bike riding with the kids…