She performed some singles including her own song “Firework” and Al Green’s classic “Let’s stay Together” for an audience of about 6,000 Obama supporters. The uplifting “Firework” set off a storm of postings on Twitter. The pop star also donned faux fingernails featuring red, white and blue stripes and photos of Obama, The Hollywood Reporter writes. The celebrity singer posted yesterday on Twitter that she’s “so honored to play for the President!”
