Heidi Klum black and white stripes

Heidi Klum and Seal took daughter Leni -- bedecked in her pink ballet outfit -- shopping in Brentwood Saturday. Heidi and Seal picked up Leni at her ballet studio and headed downstairs to Ron Herman to buy a treat for mom. Then the trio hit up Star Toys to buy a treat for Leni!

In more R-rated news ... Heidi recently posed nude for some upcoming ads for her fashion design reality show Project Runway. The ninth season of the show launches this summer on Lifetime and no doubt this just-turned-38-year-old will look hot in her birthday suit!