Glitz and glamour has its place, but sometimes all-black is just perfect. Hayden Panettiere must feel the same, if the high-necked, open-back black gown she chose for tonight's Billboard Awards was any indication. The Nashville star (who's shown off some pretty impressive pipes on the show!) went for high-shine accessories with a metallic gold clutch and statement David Yurman earrings. Do you like her simple look?