Justin Timberlake's grandma 'confirms engagement'

Justin Timberlake

and

Jessica Biel

are definitely headed down the aisle, according to the singer-actor's grandmother.

Reports have swirled online that Timberlake, 30, popped the question to Biel, 29, sometime in December while on a pre-Christmas break in Jackson, Wyoming.

"Justin knows how much she loves snowboarding and the mountains, so it was the perfect place," an insider told Us Weekly of the reported proposal.

The couple went public with their romance in 2007, after being spotted together in Utah at the Sundance Film Festival.

They broke up briefly in early 2011, and put their relationship on ice.

"It was completely mutual and they both decided it was time to move on," said a source at the time.

Reps for the couple released a statement confirming the split: "Addressing the media speculation regarding Jessica Biel and Justin Timberlake's relationship, we are confirming that they mutually have decided to part ways.

"The two remain friends and continue to hold the highest level of love and respect for each other."

But three months later, they are cooking with gas again.

"When they reunited, they had a conversation about taking the next step," a source told Us.

Another source told the mag that Timberlake has "never been happier," adding, "He knew it was the right time to propose."

Reps for the couple have yet to confirm the engagement reports, but Timberlake's grandmother, Sadie Bomar, has plenty to say about the pending nuptials.

"Yes, Justin is engaged," Bomar told Radar Online.

"Jessica is a very sweet girl, she's upright and everything and we love her," she added.

"She's a wonderful campaigner for the environment and Justin is too, a fine young man. Jessica will be a lovely member of the family."

Bomar says she has no idea where the couple would get hitched.

"They don't know if the wedding will be in Memphis or Colorado," she told the website.

"It's all very new they haven't made any plans yet. Justin, his mum and dad and Jessica have all been in Montana all Christmas and New Year, that's when he proposed. Justin rang me himself on Christmas day to tell me about the engagement.

"You know Justin he's a very laid back (guy) ... he was excited but he don't make a big episode out of anything. It just seemed like the right time for him I guess."

She continued: "Justin loves me and I love him too, he's a big part of my life. I don't know all the details yet but we just love Jessica and the whole family is happy for him. Now we have a lovely wedding to look forward to."

Bomar also confirmed the news to Gossip Cop .

In June, Timberlake said of his then-ex in an interview with Vanity Fair: "She is the single-handedly most significant person in my life ... In my 30 years, she is the most special person, okay? I just don't want to say much more, because I have to protect things that are dear to me - for instance, her."

Ah, it's the stuff of rainbows!

Stay tuned for updates...

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