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Demi Lovato tweeted: "So crazy to look back and reflect on how much has changed this last year... I wonder what will happen in 2013?!"
The R&B singer tweeted: "Went vegan for the new year mainly just to test my discipline but after reading up on animal cruelty and what not, much more meaning to it."
Mommy-to-be Jenna Dewan-Tatum wrote on her WhoSay: "[Let's] make 2013 the best year yet full of LOVE and dreams come true!
"I'm going back on the road, so being able to handle playing for two and half hours onstage takes a lot out of you," Kevin Jonas shared with The Huffington Post.
Tori Spelling shared five resolutions on her website. They included: "take a family vacation this year where Dean and I both turn off our iPhones and totally unplug;" "have more than one adults-only night this year with Dean and our friends;" "drink more water;" "get organized;" "get healthy and back into those skinny jeans."
Lindsay Lohan has high hopes for 2013, tweeting: "Very grateful.. May only good things come this year."
The morning host told the New York Post, "I have the same resolution every year -- not to sweat the small stuff. So far it hasn't taken!"
Nicole 'Snooki' Polizzi
Jersey Shore star Nicole "Snooki" Polizzi shared her resolutions on a video she posted to her website. "I want to make money, I want to be a better person and I feel like I try to accomplish that but this year it's a must. My second resolution is to make Lorenzo the happiest baby ever, be his best friend and the best mom he can ever have." And lastly, "My other resolution is to always keep happy, always look at the good side. I'm very optimistic and obviously I have a lot of people out there who don't like me but I'm okay with it."
Jennifer Lawrence shared her 2013 goals with Marie Claire in South Africa, saying, "My New Year's resolution is to stand up for myself. It's hard for me. Nobody wants to be disliked. You always want to be polite and be nice. I tried to find a balance in saying what I mean and still being nice. I can't do it. I have this 'okay' attitude and everything. I end up allowing myself to get walked over and resenting it."
Even though they may seem to have it all, even celebrities make New Year's resolutions. From Jennifer Lawrence to Nicole "Snooki" Polizzi, see what the stars are committing to in 2013.