How Music Stars Spent Summer Vacation

Katy Perry hits the rodeo! Britney Spears goes for a ride with DJ Pauly D! See how the stars spent the hot summer months

  • BRUNO MARS photo | Bruno Mars

Credit: Courtesy Bruno Mars

Updated: Monday Sep 12, 2011 | 06:00 AM EDT By: Cara Lynn Shultz

BRUNO MARS

"In front of Coldplay's dressing room #SooooooCooL" Tweeted the singer, who joined the band this summer for the annual Glastonbury festival in London.