Andres Otero / WENN 1 / 13
Andres Otero / WENN 1 / 13

To celebrate his guest appearance on "Saturday Night Live" in New York on Saturday, Justin Timberlake hit up the show's weekly after party at Asellina in Gansevoort Park Hotel.

PHOTOS: Justin and Jessica's romance through the years

On his arm was his fiancee, Jessica Biel, who, sources tell Us Weekly, was happily flaunting her engagement bling!

"Jessica was showing off her ring," the source tells Us.

PHOTOS: The best celebrity engagement rings of all time

Biel, 29, has yet to debut her new ring in public since Timberlake, 31, popped the question over the holidays in Jackson, Wyo. The pair have been dating on and off for four and a half years.

PHOTOS: Justin's A-list dating history

"They were very lovey. Holding hands," another source tells Us of Biel and Timberlake's PDA at the soiree. "They kissed a few times in front of the crew."


Scratch That: Canceled Celebrity Engagements

Britney Can't Stop Gazing at Her Engagement Ring

Justin Timberlake and Jessica Biel Hit With Engagement Rumors