The longtime friends have been the subject of dating rumors since early January, when they reportedly took a weekend trip to Palm Springs, California, together.
Since then, the duo have been dropping hints on social media, and Travis has been penning flirty comments on Kourtney's Instagram feed.
Travis and Kourtney even appeared to be in the same location on Valentine's Day, pretty much sealing the deal on their relationship.
Just a few days after the love-filled holiday, Kourtney finally made things Instagram official with a sweet photo of the couple holding hands in a car: