PHOTO: Rihanna Partying And Getting Boozed Up In Monaco

Perhaps her fans can say this is why she turned up three hours late to her concert.

But Rihanna loves to have funs and she had a blast before her concert at Monte Carlo this week.

Rihanna bikini 07142013

Rihanna will be performing in Manchester, U.K. on Monday and Tuesday.

rihanna friends partying

Rihanna partying with friends

Rihanna and melissa forde