Solange Knowles is one of the busiest people in the industry, from juggling her singing career to running businesses to being a mother and wife, it's no secret that sometimes her hectic schedule can get the best of her. The 29-year-old star took to Instagram to vent her frustration with the struggle of leaving her son to complete different projects with a lengthy caption alongside a photo of herself lying down in a yellow bandeau top and white high-waisted trousers.