Celebrity·Posted on Jan 20, 2021I'm Obsessed With Greta Thunberg's Trump Tweet After He Left The White House"So nice to see!"by Natasha JokicBuzzFeed Staff You know Greta Thunberg: environmental activist, wildly famous 18-year-old. Adam Berry / Getty Images Well, you may or may not also know that Greta and former-President Trump have been engaged in a Twitter feud for quite some time now. Tom Pennington / Getty Images Like when Trump mocked Greta, a child, on Twitter when she was voted Time's 2019 person of the year... Twitter ...So Greta changed her Twitter bio. Greta Thunberg / Via Twitter: @GretaThunberg Then, when Trump tweeted false statements about the election being rigged... Twitter ...And Greta had a handy response: Greta Thunberg @GretaThunberg So ridiculous. Donald must work on his Anger Management problem, then go to a good old fashioned movie with a friend! Chill Donald, Chill! https://t.co/4RNVBqRYBA 07:53 PM - 05 Nov 2020 Reply Retweet Favorite Twitter: @GretaThunberg Then today, when Trump finally left the White House, it appeared Greta won the longstanding Twitter beef with one iconic tweet. Eric Thayer / Getty Images Sharing an image of Trump boarding Marine One as he left the White House, she wrote, "He seems like a very happy old man looking forward to a bright and wonderful future." Greta Thunberg @GretaThunberg He seems like a very happy old man looking forward to a bright and wonderful future. So nice to see! 01:54 PM - 20 Jan 2021 Reply Retweet Favorite Twitter: @GretaThunberg This was in reference to Trump's 2019 tweet, posted shortly after Greta's moving speech at the United Nations General Assembly. Twitter Masterful. Tap to play or pause GIF Tap to play or pause GIF @euronews / Via giphy.com And, if the replies are anything to go by, people were very into it: Mary L Trump @MaryLTrump @GretaThunberg 🔥 Well played. 02:22 PM - 20 Jan 2021 Reply Retweet Favorite Twitter: @MaryLTrump Femi😷 @Femi_Sorry @GretaThunberg @JolyonRubs I'm disappointed Greta... I thought you didn't burn fossils. 😎 (I'll see myself out) 03:36 PM - 20 Jan 2021 Reply Retweet Favorite Twitter: @Femi_Sorry David Windt @DavidLWindt @GretaThunberg You've been Greta Thun-burned! https://t.co/PBgXwjXqVr 01:56 PM - 20 Jan 2021 Reply Retweet Favorite Twitter: @DavidLWindt Guess we won't be able to see what Trump's response would be, as he's been banned from Twitter.