Today is Nina Dobrev's 25th birthday! The Vampire Diaries star started things off right with a huge win at last night's People's Choice Awards alongside her former boyfriend Ian Somerhalder. We're not sure how she'll be able to top that excitement today as she celebrates being a quarter of a century old. Let's hope she gathers all her closest friends and throws a party to remember.

Click through to see 25 of Nina's most famous friends, then wish the star a very happy birthday in the comments below!

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