“[The rumors] are 100 percent not true,” he tells Entertainment Tonight. “In fact, it’s quite hilarious because we simply danced at a charity event along with a lot of other people.”
Foxx, 45, refers to the 4th annual Apollo in the Hamptons Benefit in East Hampton, N.Y., from August which he and Holmes attended.
Earlier this year, other dating rumors came to light, this time involving Jake Gyllenhaal.
Holmes has remained single since her split from ex-hubby Tom Cruise was announced in June 2012.