General Selena Gomez and Cristiano Ronaldo Dominated Instagram in 2017 Instagram shared its 'look back' at 2017 Instagram revealed its best of 2017 Barcin/iStock By David Cohen November 29, 2017 The holiday shopping season coincides with year-in-review season, and Instagram shared its “look back” at 2017 Wednesday. David Cohen david.cohen@adweek.com David Cohen is editor of Adweek's Social Pro Daily. Recommended articles