(Cover) - EN Showbiz - Justin Timberlake's grandmother is pleased with Justin's engagement to Jessica Biel.

The LoveStoned singer was rumoured to have proposed to the actress during a pre-Christmas vacation in Wyoming.

Justin's gran Sadie Bomar confirms that the pair, who have been dating on and off for four-and-a-half years, are indeed betrothed.

Sadie will welcome Jessica into the family with open arms.

"Yes, Justin is engaged," Sadie told RadarOnline. "Jessica is a very sweet girl, she's upright and everything and we love her."

Sadie believes that Justin and Jessica are an extraordinary couple.

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

Wedding plans are ongoing and have not yet been confirmed. Sadie is more concerned with Justin's happiness than wedding details at the moment.

"Justin loves me and I love him too, he's a big part of my life," Sadie gushed. "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."

Sadie believes that Justin's engagement is timely.

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