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Olivia Wilde

Jonathan Leibson/Getty Images for Variety

Olivia Wilde is keeping Jason Sudeikis close to her heart.

The Drinking Buddies star sported a "J" necklace while promoting her new Ron Howard flick, Rush, at the Toronto Film Festival Sunday, smiling coyly when she talked about her new accessory.

Olivia Wilde, Jason Sudeikis

Larry Busacca/Getty Images

"Some guy just gave it to me and I was like, 'Alright,'" she cracked. "And then he was like, 'Will you marry me?' and I was like, 'Alright.'"

Too cute.

Wilde's hubby-to-be recently gushed about his ladylove to Maxim, telling the mag, "being beautiful is actually only like fifth or sixth of the things that are amazing about her. She's really hilarious and she loves basketball!"

"I think people look at us and wonder what kind of information I have on her to get so lucky," he went on. "Like, I must have video of her taking a bomb into the White House."

The actress kept the love fest going in Fashion magazine, telling the mag, "I really have learned a lot from him, especially when it comes to being bold and taking risks as an actor within a role. Comedians are so great about trying things, like doing seven takes in seven different ways and really not being afraid to stumble.''

Can these two get any more adorable? 

For even more scoop from the Toronto Film Festival, keep coming back to E! Online and tune into E! News tomorrow at 7 p.m. & 11:30 p.m.