According to Life & Style, the long-time couple recently exchanged vows in a secret ceremony in New York City.
Wesley plays the vampire Stefan Salvatore on the CW series, while DeVitto stars as Melissa Hastings on the ABC Family show. The two met in 2007 on the set of the film Killer Movie.
The Vampire Diaries star ignited rumours of a secret wedding in 2010 when he allegedly introduced DeVitto as his wife while in attendance at Hollywood Life Young Hollywood Awards. However, his representative quickly denied the claims.
Wesley recently revealed that he was not sure if Elena, played by Nina Dobrev, would be turned into a vampire on the show. The actor also declared that he prefers playing the darker Stefan.
The Vampire Diaries airs Thursdays at 8pm on The CW in the US and on Tuesdays at 9pm on ITV2 in the UK.