It’s true, dahling. Mariah Carey will be performing at the 2015 Billboard Music Awards! The best-selling female album artist will be performing two songs, “Emotions” and “Infinity” from her upcoming compilation album, Mariah Carey #1 To Infinity, in honor of her 18 Billboard Hot 100 No. 1 songs. It’s quite an extensive list of songs, so we’re matching each of her No. 1s with every sign of the zodiac. What is your MC No. 1?