(Cover) - EN Showbiz - Demi Lovato has reportedly been "so flirty" with Glee star Darren Criss.

Earlier this week there were reports the 18-year-old singer-and-actress has been dating 36-year-old movie hunk Ryan Phillippe for the past few months.

However, Demi has since denied the romance to an Extra correspondent, and a Los Angeles insider has told nydailynews.com there is a different guy on the scene.

The source claims Demi has been "so flirty" with handsome Darren, who is best known for his role playing Blaine Anderson in hit US musical comedy show Glee.

According to the insider, who works at Paramount Studios and knows Demi, there has been "lots of giggling and laughing" between the pair. They have reportedly exchanged phone numbers, and Demi even took a picture of herself with the heartthrob on her camera phone.

Rumours of the romance between Demi and Ryan had caused some shock due to the rather significant age gap, however Darren is closer in age to the star at 24-years-old. (C) Cover Media