New York - Rihanna had an unforgettable experience at Mariah Carey's Christmas Time concert in Brooklyn. The "Umbrella" singer, who was clearly thrilled to be there, requested an autograph from the legendary performer.

However, Rihanna's request was unconventional: she wanted Carey to sign her chest. Initially hesitant, Carey eventually agreed, much to Rihanna's delight.

"Mariah Carey is signing my tt, ya'll. This st is fing epic," Rihanna exclaimed to the cheering crowd.

The incident quickly became a highlight of the concert, showcasing the mutual admiration between the two pop icons.

This memorable moment capped off Carey's Christmas tour, which unfortunately saw her cancel several shows due to illness.