By Star Staff

Justin Timberlake is getting ready to walk down the aisle with fiancée Jessica Biel, but the actress is far from the only woman to win his heart, and the new issue of Star magazine reveals details on his first girlfriend and their sizzling love letters!

The former *NSYNC singer, who has had a string of hot lovers over the years including Britney Spears and Cameron Diaz, was just 17 when he fell head-over-heels for singer Veronica Finn, now 30, who was in a girl group called Innosense when she dated JT.