What’s Going on Between Zayn Malik and Louis Tomlinson?
Photo-Illustration: Illustration: Vulture; Images: Getty Images Unfollowing someone on Instagram is a bat signal that something has gone wrong. Zayn Malik and Louis Tomlinson are supposed to be filming a road trip documentary together, but it looks like they’ve hit a fork in the road. Tomlinson (and his sisters) unfollowed his former 1D bandmate on Instagram, and…