Heidi Klum & Martin Kirsten: PDA Weekend Couple!

Heidi Klum and her bodyguard and boyfriend Martin Kirsten show some PDA while spending time together at the beach on Sunday (May 19) in Malibu, Calif.

The 39-year-old America’s Got Talent judge was joined by her cute children Leni, Johan, Henry, and Lou, who played around in the sand.

PHOTOS: Check out the latest pics of Heidi Klum

Earlier in the day, Heidi and Martin took the kids for some hiking and bike riding.

The day before, the couple watched the kids play a game of soccer in a Brentwood park.

On the same day, Heidi grabbed coffee with Lou, Leni, and Johan at a local Starbucks.

45+ pictures inside of Heidi Klum and Martin Kirsten showing love for each other…