What is Zayn Malik favorite song of all?

There is no one definitive source for Zayn Malik's favorite song of all time. However, he has expressed appreciation for a number of R&B and hip hop artists, including Usher, Brandy, and Tupac Shakur. In a 2015 interview with Billboard magazine, he said, "I love all types of music, but I grew up listening to a lot of R&B and hip hop." He also said that Tupac Shakur's "Changes" is one of his favorite songs.