"To celebrate the moment" means to fully enjoy and appreciate a particular occurrence or situation. It means acknowledging and cherishing the present moment, often with happiness, joy, or gratitude. Full definition
I've built my business around celebrating the moments of childhood that are otherwise lost. (marenabeckphotography.com)
If a museum had to celebrate a moment in African American art, it might pick one of two. (haberarts.com)
I for one shall not return until that time arrives, I will celebrate that moment just like a league trophy, hell I might even have my open top bus parade. (justarsenal.com)