They've had quite the whirlwind romance after meeting back in 2016, and they kept things pretty casual for a while before making things Instagram official in 2018.
It was reported that he even shut down the entire Tiffany & Co. store in London so he could pick out the enormous ring.
He later said of the proposal, "'Will you make me the happiest man in the world and marry me?' No joke—she took about 45 seconds. Forty-five seconds of silence."
Upon giving her the ring, he recalled saying "I’m going to put this ring on your finger now unless you have any objections.”