Article continues below advertisementMichelle Obama's noticeably slimmer appearance has the internet buzzing.The former first lady recently dropped behind-the-scenes footage from a new photoshoot with legendary photographer Annie Leibovitz. In the clip, Obama looked calm and confident as she posed outdoors, showing off a smaller, more defined frame.Article continues below advertisementSource: @michelleobama/InstagramMichelle Obama shared behind-the-scenes photos from a new shoot.