On the pitch, they are fierce rivals in charge of Europe's top clubs, with a intimidating reputation for being trophy hunters
But Jose Mourinho, Zinedine Zidane, Carlo Ancelotti and Max Allegri were happy to put their rivalry aside and swap ideas at the UEFA Elite Club Coaches Forum in Switzerland.
Alongside the caption ‘Last week, talking football…’, Zidane uploaded a snap of himself chatting with Manchester United manager Jose Mourinho, Bayern Munich chief Carlo Ancelotti and Juventus gaffer Massimo Allegri.
The four all look extremely relaxed despite each man looking to mastermind title glory both home and abroad.