Britney Spears looks a bit out of it as she arrived in Paris July 4. Britney visited Notre Dame in the famed European City, where she's in town for her Circus tour.

No word on whether Britney's agent-boyfriend, Jason Trawick, made the trip with her. Either way, hopefully our girl was able to wake up prior to the show ...

The life of a touring singer and invincible celebrity can be tiring!

Looks like she was. On Saturday night, Britney Spears kicked off the latest European leg of her smash hit tour with a performance at Bercy in the French capital.

Click to enlarge a bunch of Britney Spears pictures from her first Parisian show, in which the superstar sported some of her (sexy!) familiar Circus concert attire ...

[Photos: Fame Pictures (top), BritneySpears.com]