David Burtka and Neil Patrick HarrisNeil Patrick Harris announced on Twitter that he is engaged to his long time partner David Burtka.

Following the New York state senate's passage of the Marriage Equality Bill on Friday night, Harris took to Twitter to celebrate the news and announce his engagement.

The 'How I Met Your Mother' actor tweeted, "It PASSED! Marriage equality in NY!! Yes!! Progress!! Thank you everyone who worked so hard on this!! A historic night!"

Harris also revealed that he was engaged to Burtka and they have been waiting for the right moment to reveal the news, "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."