Reaching the half-century milestone is a big deal, especially when you can do it in style. And for these celebrities turning 50-years-old in 2019, aging gracefully is a breeze.

We’ll be sure to ‘gram them happy birthday and be on the lookout for their big (or small) celebrations.

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J. Lo is celebrating her birthday-year with the aptly named, 'It's My Party" Tour. Meanwhile, Ant-Man actor Paul Rudd will keep mesmerizing his fans with his boyish good looks. We're all eagerly awating how ex-No Doubt singer Gwen Stefani and the Failure to Launch stars celebrate their special days.

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