Thank You Message Wedding Ceremony Program Who Should I Contact To Post A Message On The Lakers Board At A Game For A Wedding Anniversary?

Who should I contact to post a message on the Lakers board at a game for a wedding anniversary? - thank you message wedding ceremony program

I will be a Lakers game at Staples Center with my sister and her husband of 5 years for their wedding day. I want a surprise for her by making a message on the table to celebrate his birthday. But I do not know where to go this. Please help! Thank you!