Taylor Swift was reportedly heartbroken after giving up her virginity to one of her famous exes, only to be crushed when the guy bailed on her birthday part.
The loss of Swift's v-card, followed by that rejection, left the unlucky-in-love singer locked in a bathroom crying the entire night, according to Radar.
So who was the celebrity who convinced her to go all the way?
According to a supposed insider ... it was Jake Gyllenhaal!
Swift had been “saving herself for marriage” but was so smitten with the movie star that after three months of dating, they consummated the relationship.
“She thought she was going to marry Jake, that’s how in love she was with him,” the source says of the relationship, which fizzled out in late 2010.
Now 24, Taylor threw a 21st birthday party for herself in December 2010 at her family’s estate in Nashville, Tenn., and Jake was expected to fly in for it.