Actress Lee Si Young is confidently showing off her chest for a photoshoot with underwear brand, 'Bodyguard MW'. Emphasizing her bubbly, but sexy charms, the photoshoot used brightly-colored bras to give off a vivacious vibe. In one of the photos, Lee Si Young wore a sky blue bra beneath a white mini-dress, giving the shot a refreshing feel. In another photo, she exuded a more seductive air with her dark undergarments under a white dress shirt. Meanwhile, the photo of Lee Si Young in the yellow set drew admiration from the staff on set, as it emphasized her curves and sexy body line. [gallery] The star is currently filming for her upcoming movie, "Couples". == Source: Star News via Nate