TBF there were two kisses.
I see Kate is auctioning her dress for charity (My mum made hers into net curtains) to avoid the unseemly profiteering that went on with Diana's clothes.
Also worth noting that HM and Phil are ducking out, after hosting the buffet luncheon, to set off on a weekend away ~ which is a very diplomatic way of avoiding any embarrassment when the Father of The Bride and the Best Man make their speeches.