According to a witness, Spears worked up such a sweat, "she looked like Heath Ledger as the Joker". The 28-year-old beauty has also changed her blonde hair into brunette. She tried to sneak into the hotel unnoticed, but unfortunately even with her new hair colour she was easily recognized.
New York (ANI): 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, who used dumbbells, reports the New York Post.