© Photo: Getty ImagesThis year, 2016, will be a big year for some of the world's big names as they will be looking forward to their landmark birthday celebrations.
From Princess Charlotte turning 1, to a Hollywood legend hitting the big 100!, here's a look at famous names hitting milestone ages ...
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They've grown so fast! These celebrity infants will be hitting their toddler years soon, and we can't wait for the adorable Instagram posts and updates.
Justin Timberlake and Jessica Biel's son Silas will celebrate his first birthday in April.
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Kim Kardashian West and Kanye West's son, Saint West, will be sure to have a big party to celebrate his special birthday on 5 December.
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Princess Madeleine and Chris O'Neill's son Nicolas will turn 1 on 15 June.
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The spitting image of their parents as they get older, we can't believe these A-list kids are hitting their tweens already!
Katie Holmes and Tom Cruise's daughter, Suri, turns 10 on 18 April.
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Angelina Jolie and Brad Pitt's mini-me daughter Shiloh will celebrate her special day on 27 May.
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These stars will be leaving their teen years behind and starting the countdown to the landmark age of 21.
Although they're just getting started, this group of young adults have already reached success. From left to right, Hailee Steinfeld, Lorde and Zendaya.
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It's time to hit the big 3-0 for some of our fave stars who spent their 20s building their careers in the limelight. What could be in store over the next decade?
Johnny Depp's gorgeous wife, Amber Heard, will celebrate her special day on 22 April.
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We're pretty sure Lady Gaga's birthday party will be the party of the year! She turns 30 on 28 March.
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This one is for the Tweilight fans out there! Will you be celebrating Robert Pattinson's milestone birthday on 13 May?
Other notable birthdays: Megan Fox, Sam Claflin and Mary-Kate and Ashley Olsen.
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These stars are looking better than ever as they wave goodbye to their 30s and say hello to the Fabulous 40s.
Reese Witherspoon will be one of the first on 22 March.
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Princess Marie will turn 40 on 6 February.
Other notable birthdays: Freddie Prinze, Jr, Blake Shelton and Ryan Reynolds.
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Not only are they proving that 50 is the new 30, these stars are staying at the top of their game and looking flawless while doing it.
Supermodel Cindy Crawford recently spoke about turning 50 on 20 February, saying she is "kind of excited to see what's next".
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Salma Hayek still has 9 months before she turns 50 on 2 September.
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These legends have proved that they have staying power – with track records like theirs, who knows what amazing accomplishments they'll surprise us with next!
From left to right, Tom Hanks, Carrie Fisher and Bryan Cranston.
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Millennials? What millennials? These baby boomer icons born in 1946 continue to steal the show, and it seems there's no slowing them down.
From left to right, Diane Keaton, Sylvester Stallone and Cher.
Other notable birthdays: Bill Clinton and George W. Bush.
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Birthday boy Robert Redford, seen with his The Way We Were co-star Barbra Streisand, 73, is just one of the Hollywood icons who have been entertaining for generations, and are just as beloved as they start their next decade.
Other notables: Burt Reynolds and Mary Tyler Moore
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Forever young! Led by Queen Elizabeth. who celebrates her birthday on 21 April, this group knows a thing or two about eternal youth, dedication to your career and living life to the fullest - if only they'd reveal their secrets!
Other notables: Tony Bennett, Cloris Leachman and Hugh Hefner.
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Hollywood great Kirk Douglas has the most special birthday of all. Born in New York in 9 December 1916, actor Michael Douglas' dad made his screen debut at the age of 30 - and with his career spanning more than 60 films, including classics like Spartacus, he has earned a place in our hearts as well as Hollywood history.
