no makeup no makeup

Heidi Klum is a natural beauty, and her makeup-free face proves it!

The gorgeous 39-year-old supermodel went for a rainy day stroll in Brentwood with her kids and bodyguard beau Martin Kristen.

Klum's gold sneakers are sweet, but we're diggin' little Lou's purple Adidas tracksuit even more. Those ladybug boots are the perfect accessory. Adorbs!