Watch The Moment Mariah Carey Signs On Rihanna’s Breast (video)

All Rihanna wants for Christmas is Mariah Carey’s autograph.

The “Work” singer loudly requested Carey “sign [her] tit” at Tuesday’s final “Mariah Carey’s Christmas Time” tour stop at Brooklyn’s Barclays Center.

“I need a signature,” Rihanna, 36, declared in a fan video circulating on social media. “Who has a Sharpie?”

The Fenty Beauty creator subsequently took Carey’s microphone to exclaim, “Mariah Carey is signing my tit, y’all! This s— is f—ing epic!”

She and Carey shared a hug after the hilarious interaction.

Instagram users gushed over the “perfect moment” in comments, with one writing, “Ri don’t [give a f–k] lollllll love it.”