Rihanna, Timbaland Pump Up Star-Studded Grammy Party

Big bosses, fly dimes and banging beats. Timbaland and his guest Rihanna attracted the likes of Jay-Z, L.A. Reid, the Hilton sisters, Omarion, Tyrese, Twista and Chris Brown.Thats just for starters. The stars came out in the rain last night to Boulevard funbrain poptropica 3 for Timbos Grammy weekend party.