Louise, who found fame in girl group Eternal before going solo in the 1990s, returned to the music industry after a 20 year break.
Her first single Stretch, from the album Heavy Love, was released two years ago this week.
She marked the milestone on Twitter today, in view of her 139,700 followers by sharing a clip of the video.
“Can’t believe ‘Stretch’ is 2 years old this week!!!
“So proud of this song and it being my first single back! Hope you all love it as much as I do,” she told fans.