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Hayden Panettiere and her boyfriend Stephen Coletti attended the Orange County Fylers game at Cal State Fullerton in Fullerton, California. Panettiere was not only a baseball enthusiast but also sang with Band From TV with features Hayden’s Heroes co-star Greg Grunberg on drums, Desperate Housewives hunk James Denton on guitar, House‘s Hugh Laurie on piano and Bachelor star Bob Guiney and Kitchen Confidential actress Bonnie Somerville on background vocals. They performed mid-90′s hits ”B*tch” by Meredith Brooks and “Ironic” byAlanis Morrisette . Coletti played the part of non-musically inclined boyfriend cheering her on.