Britney Spears just dropped a jaw-dropping pic on Instagram—she’s riding a horse in nothing but white mini-shorts and a cowboy hat, totally topless (from behind, don’t worry). Her caption? She joked she should’ve gone full-on naked because it was “way too f** hot.” Fans are buzzing, but comments are off. Only Britney could make horseback riding this iconic! #Pets #BritneySpears #HorsebackRiding