Heidi Klum & Martin Kirsten: Beach Day with the Kids!

Heidi Klum wraps her son Johan in a towel while visiting the beach with her boyfriend Martin Kirsten and kids – Henry, Leni, and Lou – on Sunday afternoon (February 17) in Malibu, Calif.

The day before, the 39-year-old Project Runway host and her beau watched the little ones play soccer in Los Angeles.

PHOTOS: Check out the latest pics of Heidi Klum

Earlier in the week, Heidi was spotted giving a thumbs up to cameras as she filmed a segment for Germany’s Next Top Model in L.A.

50+ pictures inside of Heidi Klum, Martin Kirsten, and her kids spending time together…