Justin Timberlake and Jessica Biel celebrated their engagement with a cocktail party this weekend.
Surrounded by their closest friends and family, the easy-on-the-eyes duo attended a soiree at the Los Angeles home of Jessica's stylist and friend, Estee Stanley, on Saturday, according to People.
"Justin and Jessica arrived at the party looking very excited. Jessica was stunning in a long dress with her hair down," a source told the mag.
Celebrity guests at the event included Ellen DeGeneres, Amy Adams, Timbaland and*NSYNC-ers Lance Bass and JC Chasez, People reported. Jessica's parents were also in said to be in attendance.
After live music and dancing to a DJ's set, guests - including famed producer Timbaland, who has collaborated with JT on multiple albums -- shared speeches about the happy couple.
A source told the mag that Justin appeared to be "touched" by Timbaland's remarks, adding that the pair have a "very special friendship."
Jessica and her fiance left the party shortly after midnight.
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