Rihanna may have some explaining to do. The star has apparently revealed some of the details of Katy Perry's wedding to Russell Brand.
The singer from Barbados is in charge of her friend Katy's hen do. During an interview with Ryan Seacrest, Rihanna said: "She put that on me last week."
"I have to come up with something cool because she's getting married in India so I'm like 'Okay, now what do I do to match that?'" she added.
The 22-year-old also gave a hinted at when the couple's nuptials are taking place, stating that Katy's bachelorette do is not for several months. "That's at the end of the year so we've got some time to plan that," said Rihanna.
India holds special memories for Russell and Katy, as the pair got engaged there. They had been dating for around four months when the 34-year-old Brit comic got down on one knee during a romantic break on New Year's Eve.
Their big day is bound to be a star-studded affair. Along with Rihanna, it is thought Jonathan Ross, David Walliams and Taylor Swift will be among the guests.