Frederick M. Brown/Getty Images
Oprah Winfrey is gearing up to throw another one of her signature blowout parties.
I just got word that the media mogul is planning on celebrating the 10th anniversary of her magazine, O, next May with a star-studded concert at New York's iconic Radio City Music Hall.
There's also talk of Ms. Winfrey closing down the city's West Side Highway, or at least a portion of it, for a charity event to coincide with the festivities.
Winfrey launched the magazine in April 2000 with a fete at New York's Metropolitan Pavilion. Among the guests were…