Demi Moore, Paris Hilton and 'Twilight' actress Ashley Greene were amongst the celebs to take to their Twitter accounts during the U2 and Black Eyed Peas concert at the Rose Bowl in Pasadena, California Sunday night-- and ET has the tweets!

Moore posted a picture of herself on her Twitter from the concert, while Hilton tweeted that she got to meet the U2 frontman backstage. The socialite writes, "Tonight was incredible! Had the best time! Talked with Bono before he went onstage, he is such an amazing man, I look up to him so much."

Greene says of her concert experience, "How to describe the U2 concert? Incredible and inspiring. I'm in awe. Plus my friends rock."

Actress Alyssa Milano was also in attendance, tweeting, "Been to every tour since the Joshua Tree tour. Their shows always remind me to keep chasing moonbeams."

Other stars to tweet from the show included Eliza Dushku, Rick Fox and Ryan Seacrest. To view another celebrity twit pic, click HERE for a look at Kim Kardashian and Jennifer Lopez in Miami, Florida.