Huge charge on our joint credit card…

I was looking online at our bank statement and noticed multiple charges on our joint credit card totalling a little over $5300, for flights,hotel and a jewelry store…

Our 5th wedding anniversary is coming up on September 1st and I’m concerned about that, because we did not discuss anything at all regarding a vacation or anything, I’m thinking he didn’t want me to know but used our joint account instead of his…

Do I tell him about this? How do I do this? The surprise is already ruined anyways……..ugh.