Nisan 2012’de Muçaçu, ilk olarak [[YouTube]]’da yüklenen Ben Hellene’im yayınlandıktan birkaç saatinde viral oldu ve Hellene’i [[Twitter]]’da popüler bir etiket haline getirdi.<ref>{{cite web |url=http://storyful.com/stories/26826 |title=Actress's viral video sparks debate in Greece |publisher=Storyful |date= |accessdate=2016-01-14 |deadurl=yes |archiveurl=https://web.archive.org/web/20160118174735/http://storyful.com/stories/26826 |archivedate=2016-01-18 |df= }}</ref> YouTube’un her tarafından 2 milyondan fazla<ref>[https://www.youtube.com/watch?v=EiMqH0V46FU] {{webarchive |url=https://web.archive.org/web/20140623051738/https://www.youtube.com/watch?v=EiMqH0V46FU |date=June 23, 2014 }}</ref> yorum yapılarak tartışmalara yol açtı,<ref>{{citeWeb kaynağı web| url = http://www.ethraki.com/index.php/society/item/811-katerina-moutsatsou-top-youtube-charts | title = 2.000.000+ Views στα TOP του Youtube το "I am Hellene" της Κατερίνας Μουτσάτσου - eThraki.com | Νέα από τη Θράκη | website = eThraki.com | date = 2010-04-28 | accessdate = 2016-01-14 | arşivurl = http://web.archive.org/web/20160822071040/http://www.ethraki.com/index.php/society/item/811-katerina-moutsatsou-top-youtube-charts | arşivtarihi = 22 Ağustos 2016}}</ref><ref>{{citeWeb kaynağı web| url = http://www.keeptalkinggreece.com/2012/04/25/greek-actress-katerina-moutsatsous-controversial-video-im-hellene/ | title = "I am Hellene" Greek Actress Katerina Moutsatsou’s Controversial Video | website = Keeptalkinggreece.com | accessdate = 2016-01-14 | arşivurl = http://web.archive.org/web/20190827205555/https://www.keeptalkinggreece.com/2012/04/25/greek-actress-katerina-moutsatsous-controversial-video-im-hellene/ | arşivtarihi = 27 Ağustos 2019}}</ref> Yunan ve uluslararası medyanın dikkatini çekti.<ref>{{citeWeb kaynağı web| url = http://www.independent.ie/world-news/europe/i-am-hellene-angry-actress-hits-back-at-greek-stereotypes-in-debt-crisis-with-viral-video-26847127.html | title = I am Hellene: Angry actress hits back at Greek stereotypes in debt crisis with viral video | website = Independent.ie | date = 2012-04-26 | accessdate = 2016-01-14 | arşivurl = http://web.archive.org/web/20190827205539/https://www.independent.ie/world-news/europe/i-am-hellene-angry-actress-hits-back-at-greek-stereotypes-in-debt-crisis-with-viral-video-26847127.html | arşivtarihi = 27 Ağustos 2019}}</ref><ref>{{citeWeb kaynağı web| url = http://www.kathimerini.gr/729974/opinion/epikairothta/arxeio-monimes-sthles/ysterikoi-san-ellhnes | title = Υστερικοί σαν Ελληνες | Απόψεις | Η ΚΑΘΗΜΕΡΙΝΗ | website = Kathimerini.gr | date = 2012-04-26 | accessdate = 2016-01-14 | arşivurl = http://web.archive.org/web/20190827205541/https://www.kathimerini.gr/729974/opinion/epikairothta/arxeio-monimes-sthles/ysterikoi-san-ellhnes | arşivtarihi = 27 Ağustos 2019}}</ref><ref>[http://www.tovima.gr/culture/article/?aid=457120&wordsinarticle=Κατερίνα%3bΜουτσάτσου] {{webarchive|url=https://archive.is/20140815001741/http://www.tovima.gr/culture/article/?aid=457120&wordsinarticle=%CE%9A%CE%B1%CF%84%CE%B5%CF%81%CE%AF%CE%BD%CE%B1;%CE%9C%CE%BF%CF%85%CF%84%CF%83%CE%AC%CF%84%CF%83%CE%BF%CF%85 |date=August 15, 2014 }}</ref> Video tüm büyük Yunan televizyon kanallarında<ref>{{citeWeb kaynağı web| url = http://www.protagon.gr/?i=protagon.el.8emata&id=14634 | title = Αλλού τις αγριάδες, Κατερίνα | website = Protagon.gr | date = 2014-06-20 | accessdate = 2016-01-14 | arşivurl = http://web.archive.org/web/20150924082502/http://www.protagon.gr/?i=protagon.el.8emata&id=14634 | arşivtarihi = 24 Eylül 2015}}</ref> ve medya kuruluşlarında gösterildi. iki haftadan uzun süredir haberin ana başlığı, sabah şovları ve konuşma şovlarında da yeraldı.<ref>{{citeWeb kaynağı web| url = https://www.youtube.com/watch?v=SGSu2PaHHTE | title = Η Κατερίνα Μουτσάτσου μιλάει για το βίντεο της (I am Hellene) | publisher = YouTube | date = | accessdate = 2016-01-14 | arşivurl = http://web.archive.org/web/20160307221838/https://www.youtube.com/watch?v=SGSu2PaHHTE | arşivtarihi = 7 Mart 2016}}</ref>
Ben Hellene'imden sonra, genellikle Yunanistan, Yunan krizi<ref>{{citeWeb kaynağı web| url = https://www.youtube.com/watch?v=_3zLdVsURPI&list=TLTL47P0aGM8NvJghxrod_Xnx6aChFSofc | title = The Greek Crisis Explained: A Story of Endless Trolling | publisher = YouTube | date = 2012-09-05 | accessdate = 2016-01-14 | arşivurl = http://web.archive.org/web/20160309190844/https://www.youtube.com/watch?v=_3zLdVsURPI&list=TLTL47P0aGM8NvJghxrod_Xnx6aChFSofc | arşivtarihi = 9 Mart 2016}}</ref> ve Avrupa Birliği'ne<ref>{{citeWeb kaynağı web| url = https://www.youtube.com/watch?v=Nrjq0uf-d80&list=TLMQtHVN1PuMA7SdcUtZ5FT8A2CybvQT82 | title = 2012 An EU Odyssey | publisher = YouTube | date = 2012-08-20 | accessdate = 2016-01-14 | arşivurl = http://web.archive.org/web/20160118174735/https://www.youtube.com/watch?v=Nrjq0uf-d80&list=TLMQtHVN1PuMA7SdcUtZ5FT8A2CybvQT82 | arşivtarihi = 18 Ocak 2016}}</ref> odaklanan bir dizi deneysel fakat oldukça politik video üretti.<ref>{{citeWeb kaynağı web| url = https://www.youtube.com/watch?v=1PVjANpkNa8&list=TLHTbVKw0VpF3xluVrzQWgjFpG4DvGC1vE | title = Ode to Lost Joy | publisher = YouTube | date = 2012-07-29 | accessdate = 2016-01-14 | arşivurl = http://web.archive.org/web/20160312150714/https://www.youtube.com/watch?v=1PVjANpkNa8&list=TLHTbVKw0VpF3xluVrzQWgjFpG4DvGC1vE | arşivtarihi = 12 Mart 2016}}</ref>
2013 yılında, [[Eleftherotypia]] gazetesi tarafından yayınlanan hem İngilizce hem de Yunanca (Η Σάρα και η Μάρα) politik ve animasyon serisi Sara ve Mara'yı yarattı.<ref>{{citeWeb kaynağı web| url = https://www.youtube.com/playlist?list=PLNslzh_m6H4QTXveTThK4VFhk1LPpskMg | title = Sara and Mara | publisher = YouTube | date = 2013-07-08 | accessdate = 2016-01-14 | arşivurl = http://web.archive.org/web/20160307062734/https://www.youtube.com/playlist?list=PLNslzh_m6H4QTXveTThK4VFhk1LPpskMg | arşivtarihi = 7 Mart 2016}}</ref>
==Özel hayatı==
Muçaçu [[Yunanca]], [[Fransızca]], [[İngilizce]], [[İtalyanca]], [[Türkçe]] ve [[Almanca]] bilmektedir.<ref>{{citeWeb kaynağı web| url = http://www.killthehabitmovie.com/cast.html | title = Kill the Habit | website = Killthehabitmovie.com | date = | accessdate = 2016-01-14 | arşivurl = http://web.archive.org/web/20160304023435/http://www.killthehabitmovie.com/cast.html | arşivtarihi = 4 Mart 2016}}</ref> 2012'de [[Beverly Hills]]'de yapılan bir törenle Amerikalı yapımcı Charles Como ile evlendi. 8 Ocak 2017'de, oğlu Hylas'ı doğurdu. Ardından bunu Eylül 2017'de [[Ege Denizi]]'nde bir ada olan [[Egine]]'deki [[Yunan Ortodoks Kilisesi]]'nde yapılan dini bir düğün izledi.
