Music mogul, Jay-Z, was in the spotlight this past Wednesday as he re-opened his famous 40/40 Club in New York City. The star-studded evening was graced with a handful of celebs, one of which was probably more noteworthy than the rest--Warren Buffett. The multi-billionaire was caught enjoying the scene and remodeled look of the trendy establishment. Photographers even caught him throwing up Jay-Z's infamous "Roc Diamond." Now we've seen everything!