casey segal is in santa barbara. >> reporter: on the second day of their three-day visit to california, the british royal couple traveling by helicopter where the duke and duchess of cambridge walked the red carpet to participate in a charity polo match. >> we've had a busy few days, so the problem of being able to let loose this afternoon is wonderful to me, but that's what it's all about, be it polo, football -- sorry, i mean soccer, or whatever your preferred sports it. >> reporter: attendees paying at least 400 bucks for a ticket in the cheap seats, vip tickets going for $4,000. prince william playing the game and his wife presenting the trophy to the winning team. [cheering] newly weds arriving in los angeles friday after a nine-day trip to canada, their first foreign voyage since their wedding in april. this is prince william's first visit to california and kate's first trip to america. they're promoting british business ties to the us and highlighting charitable work, and, of course, people in california are excited. >> i think it's about like having history so close, you know,