Beyonce twerks at backstage party

Last Updated: Aug 02, 2013, 08:54 AM IST

Los Angeles: Pop star Beyonce Knowles was seen twerking hard in a backstage bash after rappers Jay Z and Justin Timberlake`s mega-concert.

The 31-year-old was enjoying before and after the concert Sunday night in Pasadena, California, reports

The "Single ladies" singer wore a silky striped top and had her long, blonde curls wildly hanging down her shoulders.

Her rapper husband Jay Z was spotted in a blue short-sleeved shirt, baggy jeans and a gold chain around his neck.