Her publicist, Marcel Pariseau, told the Associated Press on Sunday, May 19, that they are engaged after two years of dating.
This will be the third marriage for Scarlett, 34, and the first for Colin, 36. She was previously married to actor Ryan Reynolds and journalist Romain Dauriac, the latter of which she shares a daughter with named Rose.
Rumors started swirling about Scarlett and Colin dating in May of 2017 when they reportedly hung out at a private party in New York City.
They made their first public appearance as a couple months later in December at a red carpet gala in The Big Apple.