A-list actors, billionaire businessmen, socialites and supermodels are among the guests invited to the summer nuptials in Italy.

Lauren Sanchez and Jeff Bezos are set to marry this summer in what is a highly-anticipated wedding, and she's been dropping hints about the big day. The former journalist has shared a cryptic and mysterious social media post on her Instagram after sending out wedding invitations,

Has the spark fizzled between Lauren Sanchez and Jeff Bezos? We spoke to an expert to get a deeper understanding of their behavior and body language.