Hurley was photographed by British newspapers wearing an engagement ring Saturday at the Dunhill Links Championship golftournament in Scotland, in which Warne was participating.
Hurley, 46 and Warne, 42, thanked well-wishers Saturday via Twitter and Warne tweeted Sunday he proposed "privately" and it "was very romantic."
The couple have been quietly dating since late 2010, after Hurley separated from her husband of four years, Indian textile businessman Arun Nayar. They divorced in June.
The "Gossip Girl" actress famously dated British actor Hugh Grant for more than 10 years, and also has a son from a previous relationship with film producer Steve Bing.
Warne, a former international cricket star and specialist spin bowler, is divorced and has three children. (Reuters)
