AceShowbiz -

Details of "The Great Gatsby"-themed party held at Justin Bieber's Calabasas house on Friday, November 15 have emerged. According to TMZ, some of Bieber's closest friends such as Floyd Mayweather, Jr. and Chris Brown were at the party. They were also joined by T.I., Trey Songz, and Snoop Dogg.

The Canadian singer reportedly also hired 20 "big booty" strippers for the bash. He generously gave tips to the girls, throwing $10,000 according to sources. One girl reportedly made $1,300 that night. There were 3 bars serving alcoholic drinks. Marijuana reportedly could also be found in the party.

The party's guests were told to sign confidentiality agreement prior to the event, Bieber's friend Milk Tyson confirmed to E! News. "It's very unfortunate that someone would do that," Tyson said, referring to the leak of the document. Tyson assumed that the one who leaked the agreement "may have been one of the girls."

According to the document, the guests are not allowed to tweet, text, phone, Facebook, record, write or in any other manner about what happened in the party. People who violate the agreement will need to pay as much as $3 million. People who worked at the party also signed the non-disclosure agreement.