Britney Spears Strips Down to Sexy Lingerie For Intimate Collections Ad

Britney Spears shows off her toned arms after a workout session at a dance studio on Tuesday (February 3) in Calabasas, Calif. The day before, a brand new video of the 33-year-old entertainer reading a mean tweet about herself alongside other musicians, such as Katy Perry, Lady Gaga, and Iggy Azalea, aired on Jimmy Kimmel [...]