are planning to tie the knot soon.
actor and the 27-year-old Kunis are reportedly hoping to tie the knot as soon as possible, reported People magazine.
The couple are said to have been secretly engaged for weeks, but only decided to make their commitment public earlier this week when Mila flashed her diamond sparkler during a shopping trip in Los Angeles.
"It won't necessarily be a short engagement. They haven't begun planning the wedding yet," a source said.
Ashton reportedly wanted to keep things simple when it came to choosing the perfect ring.
A source added, "It's a simple band with a round diamond. No baguettes, no insets. It's not ostentatious, like a Kim Kardashian ring. She doesn't need a security team with her to wear it. It's a lot like her and Ashton."