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Hitting the red carpet Monday night at her Las Vegas New Year's Eve event at 1OAK Nightclub, the reality star told Us Weekly, "I have felt good. I haven't had any morning sickness, but it still isn't the easiest."

She told Entertainment Tonight, "I wouldn't say that it's been easy. When people say that pregnancy is, like, fun and they love it, I would have to disagree. From this stage on, it does become easier and funner, but it's adjusting. ... It's not as easy as people think. It is a little painful. There's a lot of growing pains. But I heard it's all worth it, so I'm looking forward to that."

Her focus right now? 2013. "This new year is just about being happy and healthy. It's going to be such a great year. Really calm. I'm really excited."