The prime minister knows his viral memes! In a new post on Instagram, Justin Trudeau shared a happy birthday message with his 13-year-old son — and he did it in the best way ever.\nOn October 18, the PM paid a touching tribute to his teenage son, Xavier James.\nSharing two images of the two of them together, Trudeau used the viral format of "How it started" and "How it's going" to share the festive wish. \nEditor's Choice: Trudeau & Trump Can't Seem To Agree When It Comes To Opening The Canada-US Border\n View this post on Instagram This is how it started. Swipe right to see how it’s going. Happy 13th birthday to this guy, who’s opened my eyes to so many things over the years - including memes. Je t’aime, Xav. And happy birthday to my dad as well, who would have been 101 today - and who I know would’ve gotten a kick out of Xav’s humour. Tu me manques toujours. 🇨🇦 Voici comment tout a commencé. Glissez vers la droite pour voir où on en est maintenant. Joyeux 13e anniversaire à ce jeune homme, qui m’a ouvert les yeux sur tant de choses, y compris les mèmes. Je t’aime, Xav. Et joyeux anniversaire à mon père aussi, qui aurait eu 101 ans aujourd’hui. Je sais qu’il aurait beaucoup apprécié l’humour de Xav. Tu me manques toujours. A post shared by Justin Trudeau (@justinpjtrudeau) on Oct 18, 2020 at 8:04am PDT\n\n\n“This is how it started. Swipe right to see how it’s going,” joked the prime minister.\nHe continued, “Happy 13th birthday to this guy, who’s opened my eyes to so many things over the years - including memes.”\nTrudeau also acknowledged that October 18 was his father’s birthday and confirmed that Pierre Trudeau would have been 101 this year.\n“And who I know would’ve gotten a kick out of Xav’s humour,” he said.\nHe concluded the message to his own father by adding “I miss you always,” in French.\nAww, Justin!\n\n*This article's cover image is for illustrative purposes only.