Who else has washboard abs and a chest like this? Heidi Klum shared a topless pic on social media with the caption: Smile! Just ten days after posting a cheeky pic of her burnt buttocks, Heidi shared yet another sexy snapshot. Rockin' nothing but black and white bikini bottoms and a happy face made out of sand and seashells, it looks Heidi definitely knows how to have a little fun in the sun! 40 has certainly never looked so fabulous!