Over on Hadid's side of the social media spectrum, it's been nonstop bonding with best friend Kendall Jenner. Then there's the mysterious message she shared on Snapchat last night.Is there any doubt it's intended for a certain British pop star? Is a reconciliation on the horizon, or should we hold out for the inevitable breakup song? Can you believe it was just a week ago that these two were posting lovey-dovey Instagrams?One thing's for sure: We can't handle any more celebs parting ways right now.