Article continues below advertisementHappiness looks good on Heidi Klum!The supermodel flaunted her bodacious physique in a topless video via Instagram while on a "honeymoon" with her husband, Tom Kaulitz.In the scandalous clip, the 52-year-old walked in the ocean water as Kaulitz filmed her dimpled backside. Klum wore nothing but burnt-orange bikini bottoms and a devious smile as she turned toward the camera.Article continues below advertisementSource: @heidiklum/InstagramHeidi Klum frolicked in the water without her top while on vacation with her husband.