5. Charismatic radio personality Nick Cannon showed his devotion to his wife (and soon-to-be mother of his twins) Mariah Carey with this huge tattoo of the One Sweet Day singer’s name on his back and shoulders. “To me rings are special and exciting, but tattoos mean more than anything,” Cannon said. “They’re forever and ever. They professed our love.” 7. Christina Aguilera got these tattoos (in Hebrew) honoring her then-hubby, music exec Jordan Bratman, in 2006; the pair has since split.