Katy Perry and Rihanna slip into their swimsuits to lounge poolside at the Hard Rock Hotel &amp; Casinou00a0in Las Vegas. The two singers, along with a few pals, sipped some cool drinks, ordered food, and held court inside a private cabana at the HRH Beach Club. <br /><br />The bachelorette festivities continued at Ago where Katy, 25, and Ri, 22, took pictures throughout their meal. The group then headed up to a suite in the Casino Tower where Katy was presented an erotic-themed cake that said "C-t Gratulations". <br /><br /><img alt="" src="/imagedata/2010/sep/Katy-Rihanna.jpg" border="5" />

Katy Perry and Rihanna slip into their swimsuits to lounge poolside at the Hard Rock Hotel & Casino in Las Vegas

Katy-Rihanna's party

Trending Stories

Latest Photos

Latest Videos

Latest Web Stories

Mid-Day Fast

Home / Entertainment / Hollywood News / Article / Katy-Rihanna's party

Katy-Rihanna's party

Trending Stories

Latest Photos

Latest Videos

Latest Web Stories

Mid-Day Fast