For Mariah Carey, it’s always work, work, work, work, work. But this time, the singer, 55, had a special guest. Rihanna made an appearance during the final stop of Carey’s Christmas Time tour ...

Mariah Carey Surprises Rihanna with an Autograph at Recent Show In an unexpected and heartwarming moment, Mariah Carey recently surprises Rihanna with a personal autograph at her concert. This ...

"Epic" Mariah Carey autographed Rihanna's breast at her final Christmas concert in New York City Tuesday night after battling the flu.

Rihanna had an unforgettable moment with Mariah Carey this week at the Barclays Center, and fans can't get enough.

Rihanna and Mariah Carey belong together. Rihanna was part of a star-studded crowd at the Barclays Center in New York City this week, where Carey hit the stage for the final performance of her ...

Mariah Carey signed Rihanna's boob during her performance at the Barclays Center in New York City.

Mariah Carey performed her final Christmas Time tour concert at the Barclays Center in Brooklyn on Tuesday, Dec. 17 after canceling three prior shows due to the flu. Rihanna happened to be in the ...

Rihanna got quite the Christmas wish while attending Carey's concert in Brooklyn on Tuesday evening.

After spotting Rihanna in the crowd at the final stop on her Christmas Time Tour, Mariah Carey walked over to the singer and gave her an autograph she'll never forget.