Chrissy Teigen took a moment to celebrate her and husband John Legend's seventh wedding anniversary on Monday with her trademark sense of humor.Teigen and Legend got married on Sept. 14, 2013 after dating since meeting on the set of his 2007 music video for «Stereo.» The couple now shares two kids together — 4-year-old Luna and 2-year-old Miles — with a third one on the way.