Cristiano Ronaldo picked up a Gonzalo Higuain cross after 26 minutes, finishing off from an angle in the Allianz Stadium.
Juventus striker Cristiano Ronaldo broke through just before the break, to score in a seventh consecutive league game.
With the help of Ronaldo's brilliant hat-trick, Juventus managed to thrash Cagliari by 4-0 on Monday in Serie A.
CR7 ended 2019 on a scoring streak and he started where he left off, becoming the first player to score at least one goal in one of Europe's top five leagues in each of the last 18 years (2003-20).
As the decade comes to an end, we've picked an XI that would give any other team a run for their money.
Ronaldo has won four of his five Ballon d'Or awards and four Champions League titles while with Real Madrid before joining Juventus in the summer of 2018.
Ronaldo was the main reason the fans came to watch and Juve obviously took the occasion on board with their famed black and white shirts sporting Arabic designs.
Lara says he is in awe of how Kohli has honed his skills to take batting to an "unbelievable level".
Barcelona know their opponents now possess a player who may not be able to rival Messi but, like him, could win this match on his own.
Ronaldo struck twice in the first half to make it five goals in four games as the reigning champions got back winning after last weekend's first defeat of the season to Lazio.
Juventus secured a 2-0 win against Bayern Leverkusen on Thursday in Champions League with Ronaldo scoring the opening goal. Both the goals were scored in the second half of the game.
Cristiano Ronaldo's sister destroys Virgil van Dijk on Instagram, asks Dutchman to win trophies before talking
Cristiano Ronaldo was a three-time champion in the country where you have been playing for years and you still haven't got your hands on the trophy, Katia Aveiro told the Dutchman.
But, the US winger was clear about the respect she has for the legends as she went on to add that nobody can knock them off from history - no matter what.
On Monday, Messi won his sixth Ballon d'Or and went ahead of Ronaldo, who has won the award five times.
The Portugal star scored 26 goals in his debut season for Juventus and he helped his side towards another domestic title win.