Article continues below advertisementHeidi Klum stripped down for a revealing snapshot under the sheets.The supermodel, 52, appeared to be fully nude while lounging in bed with her husband, Tom Kaulitz.Article continues below advertisementSource: @heidiklum/InstagramHeidi Klum almost exposed her bare body in bed.Klum wrapped herself in a gray comforter as she closed her eyes and rested her head on her man's shoulder. Kaulitz, 35, was shirtless, with a large tattoo visible on his arm, but his face could not be seen.