Stars' Personal Dad Pics

From Nicole's shot with Lionel to Usher's proud papa pics, see how stars honor fatherhood on Twitter

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NICK LACHEY

He's not a dad – yet! – but papa-to-be Nick Lachey is getting prepared for wife Vanessa Minnillo to give birth by hitting the baby registry at Babies R Us. "And so it begins," he Tweeted.