Rihanna at the afterparty for the BET awards at the Playhouse nightclub in Los Angeles (June 26, 2011). Her ex-boyfriend Chris Brown scooped four awards at the ceremony - she was not in attendance.

*Rihanna apparently got sloppy drunk at the BET Awards after party, got handsy with two females at the club, then used her Twitter page to marvel at her behavior.

According to her tweets, the 23-year-old singer blacked out and had to be escorted from the venue and back to her hotel…