Rihanna [1] had an adorable moment with Blue Ivy Carter during the Grammys in LA [2] on Sunday. Before hitting the stage for her performance of "FourFiveSeconds" with Kanye West [3] and Paul McCartney, the singer met up with Beyoncé and Jay Z's daughter backstage for a sweet little chat. The 3-year-old wore a pale pink dress while her pal Rihanna was dressed in a headline-making Giambattista Valli gown [4] of the same color. Keep reading to see photos of Rihanna's cute encounter with Blue backstage at the Grammys.