Whilst most people promise to abstain from alcohol at the beginning of the year as part of Dry January in a bid to curb bad habits, others have long seen the benefits of ditching the booze for good. Find out which reformed party animals now proudly lead a life of sobriety proving you don’t need alcohol to have a good time.

She’s best known for playing Manhattan socialite Serena Van Der Woodsen in HBO series ‘Gossip Girl’, but unlike her on-screen character Blake has no real interest in partying or drinking alcohol. She said: “I don't drink. I've never tried a drug. It's not like I decided on these strict lifestyle choices and I'm enforcing them. It's just something that I genuinely don't have a desire for.”

The ‘Pretty Little Liars’ star quit drinking after realising she was only at parties because she desperately wanted to fit in with her social circle. After years of suffering with social anxiety Lucy finally stop trying so hard and embraced who she was by befriended “better people”. She said: “I tried really hard to be the social butterfly. Becoming a part of this popular show… everyone just says yes to you, so you get away with a lot, and then you make mistakes.”

The supermodel has enjoyed her fair share of partying due to her career, but Bella kicked the alcohol to the curb after realising it was having a detrimental effect on her mental health and worsening her anxiety. She said: "I have done my fair share of drinking. I loved alcohol and it got to the point where even I started to, you know, cancel nights out that I felt like I wouldn't be able to control myself on... I [now] drink [Kin Spritz] when I have crippling anxiety and I can't leave my house, or when I'm not gonna drink alcohol but still want to loosen up and be able to speak to people and socialise. "I don't feel the need [to drink alcohol now] because I know how it will affect me at 3 in the morning when I wake up with horrible anxiety, thinking about that one thing I said five years ago when I graduated high school. There's just this never-ending effect of, essentially, you know, pain and stress over those few drinks that didn't really do much, you know?"

The ‘Keeping Up With The Kardashians’ star was the life and soul of the party in the early series of the hit reality show. However, Kim was put off since witnessing her older sister Kourtney’s hardcore partying ways. She said: “Kourtney was such a big drinker and my dad was really well aware… They would literally have me hang out just to drive everyone home. I felt this sense of responsibility and I owned it.”

The ‘Super Bass’ rapper opened up about her newfound sobriety on Twitter in April last year claiming she was much happier and “loving life”. Responding to a tweet after a fan asked her if she was high, Nicki said: "No I’m sober and loving life. "I used to b[e] happy when I was high. Now I’m happy when I’m sober. No judgement to anyone. Be gentle with yourself."

The ‘Game of Thrones’ star opened up about the toll that appearing in the HBO fantasy series took on his mental health. Kit was candid about his “pretty traumatic” addiction to alcohol at the time of filming. He said: "I went through some pretty horrible stuff. "Things that have happened to me since Thrones ended, and that were happening during Thrones, were of a pretty traumatic nature and they did include alcohol. You get to a place where you feel like you are a bad person, you feel like you are a shameful person. And you feel that there’s no way out, that’s just who you are."

The ‘Harry Potter’ star cut out booze in 2010 after he found his drinking became excessive. Daniel admitted his path to sobriety was not an easy one but that he rarely thinks about alcohol now. He said: "It took a few years and it took a couple of attempts. Ultimately, it was my own decision. I woke up one morning after a night going, 'This is probably not good.' "

The ‘High School Musical’ star gave up alcohol in 2013 after a stint in rehab made him realise his consumption was problematic. He said: “What I found is structure. That led me to a balance of opposites. You get what you put into life from life. Crossing the line is what leads to greatness."

'The Hangover’ star was faced with hang-xiety after realising he was not fulfilling his full potential and holding himself back thanks to his partying ways. He said: "I don't drink or do drugs anymore. I realised I wasn't going to live up to my potential, and that scared the hell out of me. I thought, 'Wow, I'm actually gonna ruin my life. I'm really gonna ruin it.'"

The ‘Happy’ singer leads a fulfilled life whilst sober and does not need drink and other substances to have a good time as he’s already high on life. He said: "Everybody else can do what they want, but that stuff isn't for me. I've been drunk nine times in my life, and I ate some weed brownies once."