Watch: Cristiano Ronaldo scores perfect hat-trick to sink Bayern Munich's Champions League dreams
Three years ago, Cristiano Ronaldo struck a perfect hat-trick against Bayern Munich to send Real Madrid through to the semi-finals of the 2016-17 Champions League.
Thanks to a Ronaldo brace in the first leg, Madrid went to the Bernabeu with a 2-1 lead over the German champions.
But a Robert Lewandowski penalty and an own goal from Sergio Ramos cancelled out Ronaldo's header as the tie went into extra-time.
But up stepped the Portuguese legend to stroke home a quick-fire double as Madrid ran out 4-2 victors and secured a 6-3 win on aggregate.
The Spanish giants went on to claim a second successive Champions League trophy after beating Juventus 4-1 in the final.
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