Heidi Klum is upping the ante in a new Instagram video as she flaunts her supermodel figure from railway tracks. The 52-year-old dropped jaws with footage from her new "Red Eye" music track today, promoting her latest beats with Diplo while upping the ante during an outdoor shoot. Article continues below advertisementHeidi Klum Stuns Topless In New Music VideoView this post on Instagram A post shared by Heidi Klum (@heidiklum)Scroll for the video. Striking confident poses from an abandoned railway track at sunrise, Heidi stunned in a shaggy, off-white coat with a trench finish. Article continues below advertisementString Bikini In The Pool For 'Kluminator' SmoothieView this post on Instagram A post shared by Ethos (@elevateyourethos)This wouldn't be the first time Heidi Klum has thrown herself into a fun project.