'CASIO' gave an extra treat before 2014 ends with Girls' Generation's pictorial in honor of their watch brand 'BABY-G's 20th anniversary!

SEE ALSO: 'Casio' releases winter CF starring Girls' Generation for 'Baby G' watches

Girls' Generation dressed up for the 'GLAM BABY-G' theme with their eye-catching outfits and sexy expressions.

A 'BABY-G' rep stated, "Girls' Generation brightened the atmosphere on set with their cheerful energy throughout the long photoshoot... They prepared for the advertisement concept beforehand and meticulously monitored the photos throughout the photoshoot, impressing the staff with their active participation."

'BABY-G' and Girls' Generation's 4th collaboration line will be released mid-January.