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.
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"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.
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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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