Olympic diving champ Tom Daley and his partner, screenwriter Dustin Lance Black, have announced their engagement. The pair - who've been together for over two years - made a low-key announcement in the Births, Deaths and Marriages section of The Times newspaper this morning.It said: "The engagement is announced between Tom, son of Robert and Debra Daley of Plymouth, and Lance, son of Jeff Bisch of Philadelphia and Anne Bisch of Lake Providence." Daley, 21, first announced his relationship with Black, 41, back in December 2013 in a YouTube video in which he also spoke about his sexuality for the first time. https://instagram.com/p/8Gb_uWr-n1/ Since then, the pair have been a public and mutually supportive couple, engaging in charity activities together, sharing adorable holiday snaps with fans and marking anniversaries on social media . Celebrating their two-year anniversary in March this year, the couple shared messages for each other on their social media accounts. https://instagram.com/p/7CtW51L-kz/ Daley wrote: “2 years ago I met my [love] and my life changed forever! Thank you for making these past 2 years so special.” In response, Milk writer Black said: “Two years ago we took a selfie just after meeting…the very moment my life changed forever. Happy Anniversary my love.” https://instagram.com/p/6KnpYUM8lK/ Congrats to the happy couple!