Hayden Panettiere was a guest on "Extra" with Mario Lopez at the Grove in Los Angeles yesterday. She looked cute in a one-shoulder gray dress.

The actress has been busy promoting her new film "Scream 4." She stood out in a bright red cocktail dress at the film's premiere in Hollywood earlier this week. Get our review of the film HERE.

She also appeared on the "Ellen DeGeneres Show" on Tuesday and talked about how fans are curious about how she and her extremely tall boyfriend make it work behind bedroom doors.

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