It was a beautiful day for Twilight fans at U2's YouTube-broadcast concert at the Rose Bowl in Pasadena, California, where Ashley Greene and Kellan Lutz were among the many celebrities that attended the Sunday event.

PHOTOS: Stars Attend U2 Concert In Pasadena, CA.

Other celebs turning out for the star-studded event included Christian Slater, Alyssa Milano, Orlando Bloom, AnnaLynne McCord, Zachary Quinto, Colin Farrell, Ewan McGregor, Paris Hilton, Chris O'Donnell, Cindy Crawford and Transformers director Michael Bay.

PHOTOS: Ashley Greene, Jessica Szohr and Ed Westwick attend Heartstrings Event

The concert, which was streamed via the popular media-sharing Web site, was in support of the Irish band's platinum album, No Line on the Horizon; for fans wanting more Greene and Lutz, New Moon hits theaters Nov. 20.

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• TAGS
• Ashley Greene Kellan Lutz
• New Moon
• No Line on the Horizon
• Pasadena
• Rose Bowl
• Twilight
• u2
• YouTube

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