Swift catches a case of the giggles during a TV appearance in Toronto. Plus: Gwen & Zuma, Rihanna, Nicole Richie and more

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GREAT EXPECTATIONS

Charlie Sheen steps out with his very pregnant wife Brooke Mueller (who's due with twin boys in April) at a press event Wednesday celebrating the purchase of Universal City, Calif., restaurant Buca di Beppo with star partners Sly Stallone and Danny DeVito.