Question: Besides, Paulina Rubio, which other pop singer has ties to Zumba Fitness as its international ambassador?
Sentence (from "All Around the World (Paulina Rubio song)"): The song was written by RedOne, Paulina Rubio, AJ Junior, Bilial Hajil, Jimmy Joker, Teddy Skyand produced by RedOne, Joker, Sky.
Relevant evidence: No