Don't call it a comeback, but... welcome back, Britney! Britney frequently posts pictures of flowers, inspirational quotes and the occasional selfie on Instagram, but it's been total radio silence since July 4th. The Britney Army was beginning to worry, but the pop star hopped online to reassure that every thing is OK. How? The legend shared a never-before-seen image from her VIP Private Show photoshoot, and it's absolutely stunning! It was caption less minus four high heel emojis, but it's