Recently, the two were seen sharing a kiss at the YouTube Awards, showing that their relationship is still on, despite rumors.
The Sun reported that the couple split due to her busy schedule.
“Taylor has told her she’s married to her career and that he can’t deal with dating Gaga the megastar and all her obsessions and alter-egos,” an insider told the mag.
“He loves the cool, down-to-earth girl but hardly gets to see her. Gaga never stops working — she writes songs in the shower and dreams up new outfits in her sleep.”
Lady Gaga and Taylor Kinney have been dating since July 2011.