What will the stunning bride wear to become Mrs. Timberlake? "Monique Lhullier is her No. 1 choice for the dress," the source reveals of the beloved designer, whose dresses have been worn by such A-list brides as Reese Witherspoon, Jessica Alba, Vanessa Minnillo and Shannen Doherty.
In keeping with the couple's uber-private M.O., it took Biel about six weeks to debut her engagement ring; she finally sported the rock (showing it off to Amy Poehler and Kristen Wiig!) at a Saturday Night Live afterparty at NYC's Ristorante Asellina Feb. 18. "It wasn't huge," a witness says. "It looked vintage and might have been custom made."