Barcelona trolled Cristiano Ronaldo and Juventus on Twitter following the Spanish side's 2-0 win over the Italian champions on Wednesday.
The Catalans took down Juve at the Camp Nou on Wednesday, moving atop their Champions League group with two wins from as many games.
Barca benefitted from a first-half goal from Ousmane Dembele, whose shot deflected up and over Wojciech Szczesny for the game's opener.
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They added a second in the 91st minute with a Lionel Messi spot-kick, with Juventus having seen Merih Demiral sent off moments earlier for a second yellow.