Britney Spears: iHeart Radio Music Festival Tonight!

Britney Spears wears some sky-high heels as she leaves an Old Navy clothing store on Thursday (September 20) in Los Angeles.

The 30-year-old entertainer arrived back in California just the day before after attending The X Factor auditions in North Carolina.

PHOTOS: Check out the latest pics of Britney Spears

“Headed to Vegas for the #iHeartRadio Music Fest Sep 21 & 22. U can watch it live here: http://iheartradio.com/vegas Heard it’s going to be insane…” Britney tweeted that same day.

Be sure to tune in to watch Brit in her role of special presenter at the iHeart Radio Music Festival!!