USMagazine, Wednesday, November 21, 2012, 7:00am (PST)
From American royalty (Conor Kennedy) to a newly-minted boy band prince! The new Us Weekly, out now, has brand-new details on Taylor Swift's flirt-fest with One Direction's Harry Styles at an X Factor performance rehearsal in L.A. Nov. 15.
"They lit up when they saw each other," an observer tells Us of freshly single Swift, 22, and the British crooner, 18. Spending much of the day together, Swift "was a puppy dog," the observer marvels of the "I Knew You Were Trouble" singer; Styles watched her rehearse while sitting with her mom, and even sang along!