From Kesha to Flavor Flav, Coachella had no shortage of surprise guests. Here's who we think could be brought out during ...

But even still, surprise drop-ins from stars not on the lineup do sometimes happen — as anyone who was around when Carrie Underwood brought ... could bring out Lee Brice It just wouldn't feel ...

But even still, surprise drop-ins from stars not on the lineup do sometimes happen — as anyone who was around when Carrie Underwood brought ... country music artist Lee Brice sang his award ...