U2 becomes biggest winner in Grammy awards    Veteran rock band U2 became the biggest winner in the 48th annual Grammy celebration in Los Angeles Wednesday night. With 5 awards, it dwarfed pop diva Mariah Carey.     Mariah Carey wins Grammy awards     Pop diva Mariah Carey won her first Grammy awards Wednesday night, since she snatched the best new artist Grammy in 1990.  Hot Madonna perform Grammy opener   -->> Stevie Wonder Male Pop Vocal Performance: "From the Bottom of My Heart" Mariah Carey Female R&B Vocal Performance: "We Belong Together" U2 Rock Performance by a Duo or Group With Vocal Kelly Clarkson Female Pop Vocal Performance: "Since U Been Gone" John Legend New Artist    Pryor, Weavers: honorary Grammy winners Mariah Carey No. 1 again on singles chart Jamie Foxx returns to No. 1 on pop chart Sheryl Crow, Lance Armstrong to split up Kelly Clarkson to hear her song on "American Idol" Pop star Gwen Stefani pregnant with first baby Mariah Carey closing on 50 Cent Queen: We are the champions Eminem reties knot with ex-wife Pink Floyd named world's greatest rock act Soul singer Lou Rawls dies at 72 Handwritten Beatles lyrics for sale in NY    Mariah Carey Kelly Clarkson Sheryl Crow Bonnie Raitt Gwen Stefani   Jack Johnson Paul McCartney Seal Rob Thomas Stevie Wonder