The singer - who accepted Shelton's proposal in May - revealed that while the time has gone quickly, she is ready to take the next step in their relationship, reports People.
"I'm looking forward to getting married," she said.
"You know, just doing it. We've been engaged six months already now and it's kind of flown by. [I'm looking forward to] just taking that next step and becoming a woman and moving on in life."
Ranaut signs up to first comic role
The actress has so far been seen taking on intense roles in thrillers such as Once Upon A Time In Mumbai and Fashion.
New Kerala reports that Ranaut's performance in the Anees Bazmee caper is said by sources to be one of her best.
Ranaut, 23, is reportedly competing with Priyanka Chopra and Katrina Kaif for a leading role in the next Aamir Khan film, which will be directed by Reema Kagti.
