Beyonce is starring in a new ad campaign for Tiffany & Co that dropped on Monday morning.The 41-year-old beauty was seen dancing up a storm in a strapless silver gown as she dripped in diamonds in a clip shared to Tiffany & Co's Instagram page.The mini movie tried to capture a New York City Studio 54 club atmosphere with several back up dancers gyrating to the music. The film was shot by Mark Romanek and is a part of the Lose Yourself In Love campaign.