She has admitted before that they pair are in love, however it seems like things are getting even more serious, as she’s hinted at marriage.Talking about her 13-year age gap with Dimitrov, Nicole said she wasn’t worried at all.The duo were last spotted having a romantic dinner at Gemelli in Australia after vacationing in Rome and celebrating the 4th of July at her home in Rhode Island.The X Factor judge began Bulgarian tennis ace Grigor shortly after her split from Lewis Hamilton last year.She is also said to have dedicated a performance of Don’t Cha to Sheeran when she performed in Hollywood on July 27, saying: “This is for you, Ed.” A friend of Sheeran’s told the newspaper: "As far as he's concerned they were in the early stages of dating and he's been open about it with close friends and colleagues.It may not develop beyond those dates but they're definitely tight." And a friend of Scherzinger said: "They're extremely close.Like a lot of Americans, Nicole had little money to live but her mother supported her to become an artist.
Dimitrov, who ended a two-year relationship with Russian tennis star Maria Sharapova last year, is said to be dating Canadian tennis beauty Eugenie Bouchard.
Besides, she kissed him leaving her lipstick marks all over him.
She had a fascination for this contestant and was extremely happy with his win.
"They both love the club and have been in before,” the source tells Us Weekly of the DJ/producer, 32, and X Factor judge, 38.
“They were both with their groups of friends but had fun catching up.”Although the two appear to be just be pals, Scherzinger was photographed linking arms with Harris.