Brooks Nader is addressing speculation that she's dating Italian tennis pro Jannik Sinner. The Love Thy Nader star, 28, was in the hot seat on the Tuesday, September 2, episode of Jimmy Kimmel Live! as host Jimmy Kimmel presented viewers with a photo of Nader sitting alongside fellow late night talk show host Stephen Colbert and his wife, Evelyn McGee-Colbert, at the 2025 US Open in New York on Sunday, August 31.