US TV
Rex Features
The 23-year-old reality star, who rose to fame on Laguna Beach, told E! Online's Marc Malkin that the MTV series had "turned into much more of a job".
"Before, it was a lot of fun for me. Now it's kind of like a daily grind where before it was lighthearted and easy," she explained.
When asked if she would sign on for another season, she replied: "I haven't totally decided. I have some other projects that I'm working on."
Bosworth's best friend and former co-star Lauren Conrad exited the show earlier this year.
> Click here to read our recap of the latest episode of The Hills
Tube Talk
The Greatest TV Presidents: Friday FiverTube Talk chooses the best TV presidents for this week's Friday Fiver.
2012-13 Season
Donald Sutherland for 'Living Loaded'Donald Sutherland to co-star in Fox's new comedy pilot Living Loaded.
US TV Interviews
'The Bachelor's Emily O'Brien - interviewPhD student failed to get a rose at this week's Rose Ceremony in Belize.
US TV Ratings
'Private Practice' up to 7.1m on ABCThe Grey's Anatomy spinoff is the only show to post a week-on-week rise.
