The source also shared that this wasn't something that just happened, but that the pair broke up "a bit ago". "There's no long dramatic story".
The insider continued, "But things just became serious very fast".
Her career is on fire with the success of A Star Is Born.
Ex-FBI official: 'Crime may have been committed' when Trump fired Comey
Mr McCabe has denied having intentionally lied and said on Sunday that he believes his sacking was politically motivated. McCabe told CBS - but did not write in the book - that invoking the 25th Amendment of the U.S.
Lady Gaga failed to mention her 49-year-old ex during an acceptance speech after her song Shallow won a Grammy on February 10, adding more fuel to the fire that the couple had called it quits. The 49-year-old talent agent was also not in attendance, which seemed to hint of trouble in paradise given that he was her date to the majority of other events this awards season, including the Screen Actors Guild Awards and the Golden Globes. Lady Gaga and fiancé Christian Carino calling off their engagement marks another failed relationship for the blonde beauty. Gaga was previously engaged to actor Taylor Kinney. In her Five Foot Two documentary on Netflix, Lady Gaga alluded to her career having a dramatic impact on her previous three relationships.
Gaga is now preparing to attend the Oscars next week as she is nominated and will be performing with co-star Bradley Cooper.
The Just Dance singer crossed over to the world of film past year with her role in Bradley Cooper's A Star is Born, and is nominated for an Academy Award for her song Shallow in addition to a Best Actress nomination.
"I sold 10 million (records) and lost Matt. This is the third time I've had my heart broken like this", the singer revealed in the film.