Justin Timberlake, Jessica Biel Continue to Keep Mum on Engagement News

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As the week comes to a close, basically everyone BUT Justin Timberlake and Jessica Biel have said the off-again, on-again couple are engaged.

Us Weekly first reported the news Jan. 4, saying the singer-turned-actor proposed to Biel in late December, while the pair vacationed in Jackson, Wyoming.

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"Justin knows how much she loves snowboarding and the mountains, so it was the perfect place," an insider told the glossy mag.

People magazine also went with the story, but reported that Timberlake popped the question to the New Year's Eve actress while they vacationed in Montana, citing a source who said he gave her a custom-designed ring.

On Thursday, many news outlets picked up Gossip Cop's story quoting Timberlake's grandma, Sadie Bomar, confirmed the news, saying he'd called her on Christmas Day to tell her.

But, there has been no confirmation (or denial) from the pair themselves. Reps have also remained mum.

So, for now, the congratulations will have to wait.