Remember that awkward first dance where the groom and the bride try to dance a waltz or a foxtrot? Those days are gone! Say hello to... "Thriller" as the first dance where the entire wedding party growls their way through the dance floor... or a step by step rendition of the last scene of "Dirty Dancing" or dancing to Metallica. More and more couples are opting for less traditional wedding dances and making wedding an expression of themselves. We met Paul Starke and Melissa Rosenfield, who works for NBC Sports, through a dance instructor who does only customized dances for her clients. They have a surprise in store for their guests in June. Their first dance: The Spy Who Loved Me by Carly Simon... not your typical "At Last" from Etta James. But Paul and Melissa hope their guests have a laugh and their unique choreography, with hands clasped to mock guns, will set the tone for the wedding by having everyone join them on the dance floor. Gabriella Barnstone, their instructor from MatriMony Mony, says that's exactly what other couples want too. She is busier than ever this year and says it's because couples want to make their wedding an expression of who they are. Many of those couples are finding that their wedding is not the only place where they can strut their stuff. Some post their wedding videos on You Tube getting as many as two hundred thousand hits... becoming instant web stars. Like the break dancing couple... one of my favorites... who begin dancing the waltz and then the song stops… they look around and start break dancing... rather well in fact. Then there's the couple from California who decide to surprise their family and friends by starting out with a traditional Indian song... making the DJ scratch the record and breaking into "California Love" rap song. Or another couple from Florida who decided to have a fog machine to ensure a grand entrance... Some etiquette experts say this is going a little overboard and this new trend is part of a shift where weddings are becoming huge productions - less about commitment, more about show. For Paul and Melissa it's not about that at all. For them a little laughter and a unique dance is definitely the right first step into a loving marriage. We'll have their story tonight on NBC Nightly News.