Katy Perry Hits Up Vegas With BFF Rihanna For Her Bachelorette Party AND Gets A Very Special Penis Cake!

Sun, September 19, 2010 12:04pm EST by 5 Comments
Posted Sun, September 19, 2010 12:04pm EST

The pair partied poolside, stopped by Cirque de Soleil, and then headed out for a night of heavy drinking alongside 25 other gal pals! But the night wouldn’t have been complete without Katy’s very explicit cake!

It looks like Russell Brand‘s arrest on Sept. 17 could have really thrown a wrench in Katy Perry‘s weekend plans — she was on the way to her bachelorette party! Luckily, the “California Gurls” crooner made it to Sin City just in time to enjoy a day of partying with 25 friends including bestie Rihanna. It looks like it was quite a night too as Katy tweeted, “Signing up for a liver transplant now…”

The girls, who checked into the Hard Rock Casino Tower, chilled poolside, drinking Bud Light beers and smoking cigarettes during the day in a private cabana at HRH Beach Club. Immediately after, the duo were spotted jetting off to catch a performance of Cirque de Soleil’s KA then grabbing dinner at AGO and partying at XS nightclub.

But the highlight of the night seems to have been Katy’s specially designed penis bachelorette cake! By looking at the photo [above] it appears to have a special little message for the songstress: “C*nt Gratulations!”

Katy wore a tiny veil on her head throughout the night, while Rihanna sported a long red wig, with gold hoop earrings. It seems she’s a huge fan of music’s newest talent — Rihanna soundalike Willow Smith! “I whip my hair back n forth,” Katy tweeted during her festivities!