Amy Schumer is playfully mocking Chrissy Teigen -- and the model has something to say about it! Schumer, 40, took to Instagram on Tuesday to share her recreation of a video Teigen previously posted.Teigen posted the original video when she and her husband, John Legend, were in Martha's Vineyard for Barack Obama's 60th birthday party earlier this month.In the clip, the 35-year-old model, wearing a flowing white dress and sporting a bob parted to the side, walked down a grand staircase as she sang