While Big Sean and Ariana Grande were able to shut down rumors that they called it quits, new reports are circulating as to whether the Dance rapper really did cheat on his girlfriend.

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An insider set the record straight with Hollywood Life and confirmed that Big Sean absolutely never cheated on Grande.

But Grande did get skeptical at one point just after his grandmother passed away.

WATCH: Big Sean Talks Keeping Relationship With Ariana Grande Private 'For Me To Know & You To Find Out'

"Ariana thought Big Sean was seeing other females because after his grandmother died, a lot of his exes and female friends called him and were telling him that if he needed anything, they were there for him.

"His phone was blowing up with phone calls and texts and he was with Ariana some of the time. She saw girl after girl blowing him up and like most women, her mind automatically assumed he was cheating, but she shouldn't have thought that."

The source went on to say that Big Sean reassured his girlfriend of a few months that he was not being unfaithful to her.

Breakup speculation began to swirl for the couple just around the holiday season. But both Grande and Big Sean took to their Instagram to clear the air against any rumors that they split.

Big Sean shared a picture Saturday (Jan. 3) of Grande kissing him on the cheek. He revealed in the caption that the couple had spent time together recently.

"Man I had da best time in Tahoe last week!" he wrote.

He also shared a picture of he and Grande on a snow hill with the caption, "Tag Team".

 Man I had da best time in Tahoe last week!

A photo posted by BIGSEAN (@bigsean) on Jan 1, 2015 at 4:42pm PST

Tag Team Een foto die is geplaatst door BIGSEAN (@bigsean) op Jan 1, 2015 om 4:25 PST

Grande also shared a few snapshots on her Instagram of the happy couple.

  #tahoe

Uma foto publicada por Ariana Grande (@arianagrande) em Jan 1, 2015 às 5:29 PST