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Chelsea were the losing side in the final of the FA Cup, as the Gunners won the game 2-1.
Arsenal won the game courtesy of a brace from Pierre-Emerick Aubameyang, as the Gunners rose to a record 14th FA Cup trophy.
Meanwhile, Alexandre Lacazette trolled former teammate Olivier Giroud, as the Blues striker wore a frustrated figure after the defeat.
Lacazette shared a video on Instagram of Giroud looking extremely sad, and underneath the clip was a cartoon of the Arsenal striker dancing, along with some laughing emojis.
Lacazette and Giroud were teammates at Arsenal in the summer of 2017, but Giroud departed Arsenal to join Chelsea six months later, and has won both the FA Cup and Europa League since joining Chelsea.
Giroud took a dig at his former side after Chelsea defeated the Gunners 4-1 in the Europa League final last year.
“Thank you, Arsenal,” Giroud exclaimed as he lifted the trophy aloft a year ago.
Lacazette has now trolled Giroud to take one back at his former teammate.