Buzz Bites -- 8/7/2008: Does Beyonce Need To Lighten Up?

+ L'Oréal dismisses rumors that they've been intentionally, er, "lightening" pictures of spokesperson Beyonce Knowles. Or, as E! Online puts it, "[T]he French cosmetics giant is adamantly denying that it gave its longtime spokeswoman a case of the Michael Jacksons." (E! Online)

+ Meanwhile, Jay-Z discovers new and inventive ways to rehash his beef with Noel Gallagher. A sample lyric from his new (as yet untitled) track: "That bloke from Oasis said I couldn't play guitar / Somebody shoulda told him I'm a f---in' rock star." (MTV)

+ You know environmental activists are getting the job done when Tommy Lee and Ludacris are officially "going green." (Rolling Stone)

+ Courtney Love has just announced her impending retirement from the music industry. Which is weird, cause we thought she'd stopped making "music" sometime back in the late '90s. (Idolator)

+ Taylor Swift is the official voice sponsor of the 2008 Olympics. Okay, not really, but the Choice Breakout Star's new song, "Change," will be featured during the daily highlight reels. (The Boot)

+ Miley Cyrus says she "bawled for a month straight" after breaking up with Nick Jonas. "I was so sad," Cyrus tells Seventeen magazine. "I just went into this weird funk. And I dyed my hair black...I was like, ‘I want to make my hair black now – I don’t want to look pretty; I want to look hard-core.'" (Access Hollywood)

+ Mary J. Blige is being accused of stealing songs ...to the tune of $2 million. (The Boombox)

+ Apparently, Usher still subscribes to the philosophy that mother knows best. The R&B star has fired his interim manager and rehired his mama, Jonnetta Patton. (MTV)