Celebrity photographer Tyler Shields has told RadarOnline.com that the wedding of Backstreet Boy A.J. Mclean and girlfriend Rochelle Deanna Karidis will be one of the craziest celebrity weddings ever.

Shields - who is a close friend of Mclean’s – will preside as the minister at the December 17, ceremony that has been dubbed the “I Do Or Die wedding” between the pair.

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Shields told Radar Online.com: “I’m much more nervous about being the minister than when I’m taking photographs of young Hollywood.