The North Bergen Police Department, based in New Jersey, said: "She is safe and at a medical facility.
"Detectives have contacted her father and he is in route from Los Angeles to reunite with his daughter."
Rihanna and Missy Elliot were among the people who posted pleas on social media to help find the dancer, who had been missing since Friday.
Rihanna's Instagram post said: "This beautiful soul, and former dancer of mine is MISSING!!!
"My heart aches thinking of how heavy this is on all who love her!"
