Sydney Sweeney’s nearly nude ad campaign has been met with backlash — but the stunt could pay off for sports prediction app Novig, an upstart looking to rival giants Kalshi and Polymarket.

The ad campaign shows the “Euphoria” and “The White Lotus” star, bare aside from some strategically placed sports equipment. Sweeney also took an equity stake in Novig, the company said.

The campaign was mocked online by “Saturday Night Live” alum Chloe Fineman and drew a wave of criticism, including from female Olympic athletes who said it sexualized women’s sports.

“I can’t describe how infuriated I feel when I watch this,” wrote Ariarne Titmus, a four-time…