LOS ANGELES, Sept. 8 (UPI) -- Heidi Klum shared a racy photo of her bare behind Sunday on Instagram.
The 42-year-old German-American model shocked fans by posting a picture of herself being spanked by "The Naughty Spoon." Klum offered no explanation for the shot other than the caption "Ouch."
The star previously flashed her butt on Instagram in July 2013, and followed up with a topless picture later that month. She told Access Hollywood at the time her mom took the revealing shots, explaining, "I'm European. I don't like wearing tops."
"[I feel sexiest] when I'm shooting, to be honest, the less I have on," she later told Us Weekly. "Many people maybe are the opposite, like maybe they [prefer to be] more dressed. But the less clothes I have on, the easier it is for me to shoot, and the sexier I feel."
Klum has been linked to bodyguard Martin Kristen and art dealer Vito Schnabel since her 2012 divorce from singer Seal. The model continues to judge on reality competitions Project Runway, Germany's Next Top Model and America's Got Talent.