The 'Van Vogue' rapper took to her Twitter to reveal that West had called her to come to Hawaii.
She posted: "When Kanye West Calls…You go to Honolulu."
Banks also admitted that she was nervous, claiming that "the past seven days have really been epic".
"Wow, I get to travel and see the world and rub shoulders with all these really talented people and do all kinds of cool s**t. This is fun," she added.
It is not yet clear what the pair worked on together in Honolulu, but West is set to release G.O.O.D. Music's Cruel Summer on September 18.
On Tuesday (August 21), Banks teased a possible collaboration with Lady GaGa as she posted on her Twitter: "When Mother Monster calls ..........
"S**t is about to get very f**king real. I'm going to Honolulu tomorrow. This vacation is now null and void."
Watch the music video for 'Van Vogue' below: