"Brad Pitt's Cousin" is a hip hop song by American hip hop duo Macklemore & Ryan Lewis featuring American rapper Xperience from their third studio album This Unruly Mess I've Made (2016).

Following the large success of the duo's debut album The Heist (2012), Macklemore revealed the This Unruly Mess I've Made release with an Instagram post on January 15, 2016.

Killian Young of Consequence of Sound gave the album overall a 'C−', and said of "Brad Pitt's Cousin": "we have hip hop culture: the awkward interjection from God, and the awful reference to the long-expired 'deez nuts' meme.

"[4] Spencer Kornhaber of The Atlantic commented that Macklemore "tries to make it seem like he loves being called the actor's ugly relative, and opens with him bragging about his cat's Instagram followers".

[7] In Australia, "Brad Pitt's Cousin" entered the Australian Singles Chart at number 40 on August 6, 2016.