In an exclusive interview with PEOPLE, Mariah Carey says she can't be called a diva because she returned to the crowd to greet Rihanna at her Tuesday, Dec. 17 show in Brooklyn.

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 at the Barclays Center in New York City on Tuesday, Dec. 17.

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 Christmas Time show.

The 'Masked Singer' host and 'All I Want for Christmas Is You' singer were married for six years before splitting in 2014 Nick Cannon is reacting to a viral moment between Mariah Carey and Rihanna. On Friday,

All Mariah Carey wants for Christmas is to no longer be dubbed a “diva” after descending into the crowd to autograph Rihanna’s breast.

Nick Cannon has shown his approval for a viral moment that involved Mariah Carey, and Rihanna during a recent concert in New York.

As seen in this video, Rihanna was at the show when she got Carey’s attention and got her signature in red Sharpie on her left breast. As Carey signed, Rihanna said, “Wow, this is iconic.” She then grabbed the mic and told the audience, “Mariah Carey is signing my tit, y’all.”

On Tuesday, clips from Mariah’s concert shows her stopping the show to say hello to Rihanna, who says almost immediately that she wants Carey’s signature. After locating a Sharpie, Rihanna tells Carey, "Sign my tit, because my man made me get you."