What the Dr Pepper TV commercial - What Is It? is about.

Dr Pepper's TV spot titled 'What Is It?' features rapper Macklemore and beauty YouTuber Michelle Phan, who explore the question of what exactly Dr Pepper is. The commercial starts with Macklemore and Phan walking through a surreal, whimsical world filled with giant fruits and cotton candy clouds. The two then ponder over the mysterious taste of Dr Pepper.

Macklemore admits that he can't put his finger on what exactly Dr Pepper tastes like, but Phan argues that it's a unique blend of 23 flavors. Throughout the commercial, the duo encounter outlandish characters who have their own theories about what Dr Pepper is. A giant banana suggests that it's a fruit drink, while a coconut palm tree claims it's a soda.

In the end, they decide that Dr Pepper is simply one-of-a-kind and indescribable. The spot ends with Macklemore declaring: "It doesn't matter what it is, it's amazing".

This ad campaign was launched to promote Dr Pepper's unique and complex taste. The commercial was widely popular, and it generated a lot of buzz on social media platforms. With the help of Macklemore and Michelle Phan, Dr Pepper successfully managed to showcase its appeal to both the millennial and Gen Z audience.

Dr Pepper TV commercial - What Is It? produced for Dr Pepper was first shown on television on December 31, 2013.