The Mirror — No wonder Keri Hilson called her debut album In A Perfect World... more info

AngryApe — more info

Kanye's Blog — Keri Hilson Feat. Me - 'Knock You Down' Live On Letterman Click HERE to leave a comment... more info

Stereogum — Last night's tirelessly choreographed (with stage props!) performance of "Knock You Down" would be exciting enough without a cameo from a sneaker mogul, but the Keri/Gayfish interplay is especially fun. Offers Letterman afterward, "I am so old." Watc... more info