Not without my make up

Pop diva Britney Spears is so obsessed with her looks that she doesn’t even workout without her make up.

Pop diva Britney Spears is so obsessed with her looks that she doesn’t even workout without her make up.

The Toxic singer was seen all decked up running on a treadmill and doing crunches at the Mondrian Hotel in Hollywood along with her mother, reports the New York Post.

According to a witness, Spears worked up such a sweat that “she looked like Heath Ledger as the ”.

The 28-year-old beauty has also changed her hair colour from blonde into brunette.

And though Spears tried to sneak into the hotel unnoticed, was soon recognised.