The exclusive ice cream collaboration includes a new and innovative flavor that plays on classic black raspberry chip.
Both artists have been nominated multiple times on their own.
The stars previously teamed up on Swift's "Karma" remix.
The MC has also teamed up with Beyoncé, Sia and Nicki Minaj.
"So proud and excited to release this first song in a new chapter of music," the country-pop star wrote.
It's a family business.
Two earlier sets of collaborators -- Diana Ross & the Supremes with the Temptations and R. Kelly & Jay-Z -- just missed.
SZA surprised fans on Friday (Sept. 15) with an acoustic version of "Snooze" featuring Justin Bieber.
The two have released a line of new scents to spritz on. Learn more here.
Shop the Thomas Rhett x Tecovas collection featuring exclusive styles for a limited time.
