Happy birthday! Guillaume Musso turns 51 today

The iconic and legendary author turns 51 on Friday, Jun. 6, 2025.

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‘Afterwards…’ author Guillaume Musso is celebrating his 51st birthday today. As a number of online tributes attest, he is one of the most acclaimed authors of his generation.

Popular author Guillaume Musso has always liked to keep a bit of himself hidden from view. At 51st birthday, he remains a man of many facets.

Musso, a cultural icon

Born in Antibes on June 6, 1974, Guillaume Musso's career spans an arc over many different eras and tastes in French history. Musso's not just a great author, he's an inspiration, an icon and a successful business man. At this point in his career, there seems to be little Guillaume hasn't done.

And we've got a feeling the next 12 months are going to be even bigger and better for Guillaume Musso as he promises more to come. After all, he's only 51.

Happy Birthday, Guillaume, you're the best!

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