Becca, 28, who plays Kitty Wilde in the musical television series, accompanied Matt on a business trip on Wednesday.
It is not known if Becca was present when 35-year-old Matt’s body was found by a hotel maid on Thursday afternoon.
While the Philadelphia Medical Examiner confirmed a body had been found, no other information was given.
The couple had enjoyed a “normal” evening out with friends on Wednesday and returned to their hotel afterwards, according to* TMZ*.
Nightclub owner Matt ran a number of popular party spots in the US and was director of operations at DBA Nightclub in Los Angeles.
Friends of the businessman are said to be “devastated” at the news and his colleagues at DBA put a tribute message on a board outside the venue, which read: “We love you Matt.”
The news comes just before the first anniversary of Lea Michele’s late boyfriend Cory's death, who passed away on 13 July last yea
Becca joined Glee as a recurring cast member in the fourth series of the show and became a regular during season five.
Just two days before his death, Matt posted a picture of himself looking happy and happy with Becca on Instagram.
Top 8 Glee performances
coldhearted
Cold hearted
defying_gravity
Defying Gravity
dont_stop
Don't Stop Believing
imagine
Imagine
scientist
some_nights
Some Nights
teenage_dream
Teenage Dreams
umbrella
Singing In The Rain