French phrase
C'est pour célébrer ~.
Meaning
It's to celebrate ___.
When to use it
States the purpose of celebrating something. It briefly explains why an event or gathering is being held, including to mark a business achievement or signed contract.
Example dialogue
On organise une petite réception.
We are hosting a small reception.
C'est pour célébrer la signature du contrat.
It's to celebrate the signing of the contract.