Jessica Biel and Justin Timberlake are definitely engaged, according to reports that people saw Biel wearing a healthy rock at a Saturday Night Live afterparty over the weekend. Check out the 'N Sync singer's hot ladies over the years in this sexy photo gallery.

The New York Daily News reported Tuesday that Jessica Biel and Justin Timberlake are engaged, citing a source who saw Biel at an SNL after-party at the Gansevoort Park hotel's Asellina eatery in New York on Sunday. The source told the newspaper that the party was abuzz with chatter about Biel's new engagement ring, photos of which have never been publicly released.

The source went on to tell the Daily News that funny ladies Amy Poehler and Kristin Wiig, loved the ring and chatted her up about it. Apparently Timberlake was there as well, and that they two were very lovely, and kissed a few times while at the party, the source said.

Jessica Biel and Justin Timberlake's engagement puts an end to the parade of sexy lovers the singer has had over the years. From Fergie to Cameron Diaz and Britney Spears to Jessica Biel, Justin Timberlake has been with a who's who of the nation's sexy starlets.

Check out pictures of the hot ladies Justin Timberlake has dated over the years in this fun photo slideshow.