Holly Willoughby posed with her rarely-seen sister Kelly, as the pair did some stargazing ahead of Holly's return to This Morning on Monday morning. The TV presenter, 42, and her sister posed together under the moon, with Kelly sharing the snap to her Instagram, alongside the caption: "Sisters by light of the blue moon [moon emoji] [sparkle emoji] @hollywilloughby [blue heart emoji]" Fans were quick to comment on the photo, with many sharing their excitement at Holly's return to This Morning, with one writing: "Can’t wait until you are back on TM … you are the highlight of my day in what is such a dreary life." "Two perfect souls.....