Som følge af lovændringen i New York den 24. juni 2011, der lovliggjorde [[Homovielse|samme-kønsvielser]], annoncerede Harris og Burtka deres forlovelse på [[Twitter]],<ref>{{cite tweet |first=Neil Patrick |last=Harris |user= ActuallyNPH|number= 84639376772042752 |date= 25. juni 2011 |title= David and I did propose to each other, but over five years ago! We've been wearing engagement rings for ages, waiting for an available date. }}</ref> og fortalte, at de havde friet til hinanden fem år forinden, men at de havde holdt forlovelsen skjult indtil samme-kønsvielser blev tilladt.<ref>{{cite web|url=http://www.digitalspy.com/celebrity/news/a326825/neil-patrick-harris-announces-secret-engagement.html|title=Neil Patrick Harris announces secret engagement|work=Digital Spy|date=25. juni 2011|access-date=4. marts 2012|archive-date=18. april 2012|archive-url=https://web.archive.org/web/20120418024046/http://www.digitalspy.com/celebrity/news/a326825/neil-patrick-harris-announces-secret-engagement.html|url-status=live}}</ref> Den 8. september 2014 skrev Harris på hans Twitter-profil, at han og Burtka var blevet gift i weekenden i [[Italien]].<ref>{{cite tweet |first=Neil Patrick |last=Harris |user= ActuallyNPH|number= 508967499229331457 |date= 8. september 2014 |title= Guess what? @DavidBurtka and I got married over the weekend. In Italy. Yup, we put the 'n' and 'd' in 'husband'. pic.twitter.com/R09ibF41rt }}</ref><ref>{{cite web|title=Neil Patrick Harris dishes about his wedding day|url=https://www.cbsnews.com/news/neil-patrick-harris-dishes-about-his-wedding-day|work=CBS News|access-date=20. april 2020|archive-date=5. marts 2020|archive-url=https://web.archive.org/web/20200305223457/https://www.cbsnews.com/news/neil-patrick-harris-dishes-about-his-wedding-day/|url-status=live}}</ref><ref>{{cite web|title=Neil Patrick Harris Marries David Burtka|url=http://www.people.com/article/neil-patrick-harris-marries-david-burtka|magazine=People|access-date=5. november 2015|archive-date=4. maj 2018|archive-url=https://web.archive.org/web/20180504020218/http://people.com/article/neil-patrick-harris-marries-david-burtka/|url-status=live}}</ref> [[Pamela Fryman]], den gennemgående instruktør på ''How I Met Your Mother'', viede parret, mens musikeren [[Elton John]] spillede ved receptionen.<ref>{{cite web|last1=Leonard|first1=Elizabeth|title=Neil Patrick Harris Marries David Burtka|url=http://www.people.com/article/neil-patrick-harris-marries-david-burtka|magazine=People|date=8. september 2014|access-date=8. september 2014|archive-date=4. maj 2018|archive-url=https://web.archive.org/web/20180504020218/http://people.com/article/neil-patrick-harris-marries-david-burtka/|url-status=live}}</ref><ref>{{cite web|last1=Spero|first1=Jesse|title=Neil Patrick Harris & David Burtka Wed In Italy|url=http://www.accesshollywood.com/neil-patrick-harris-and-david-burtka-wed-in-italy_article_98508|publisher=Access Hollywood|date=8. september 2014|access-date=5. november 2015|archive-date=10. januar 2015|archive-url=https://web.archive.org/web/20150110051721/http://www.accesshollywood.com/neil-patrick-harris-and-david-burtka-wed-in-italy_article_98508|url-status=live}}</ref><ref>{{cite web|last1=Bueno|first1=Antoinette|title=Neil Patrick Harris Marries David Burtka|url=http://www.etonline.com/news/150862_neil_patrick_harris_marries_david_burtka/index.html|publisher=ET Online|date=8. september 2014|access-date=5. november 2015|archive-date=8. september 2014|archive-url=https://web.archive.org/web/20140908181200/http://www.etonline.com/news/150862_neil_patrick_harris_marries_david_burtka/index.html|url-status=dead}}</ref>
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