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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BELLE OF THE 'BALL'

Also in town for Sunday's big game, Faith Hill takes the mic at a Super Bowl news conference Thursday in Tampa, Fla., where the country star will sing "America the Beautiful" at the pre-show for the gridiron battle between the Arizona Cardinals and Pittsburgh Steelers.