this isn't your 1950s bubble gum and poodle skirts rock 'n roll the viva las vegas rockabilly weekend   now in its 18th year   is a flashback to classic cars, vintage pinups, tiki drinks, tattoos and a fashion aesthetic that balances high heels with just as high hair 'it's good clean fun, with a hint of naughty,' said tara o'hara of chicago around 20,000 fans of the era gathered over the weekend for musical performances and car show off the strip at the orleans hotel and casino scroll down for video  dressed to impress: in this april 5 photo women wait in line before taking part in a bathing suit contest at the viva las vegas rockabilly weekend in las vegas   many of the attendees of the weekend wear vintage clothes  elvis fan: wind blows the hair of carl schreiber during a pool party   he jetted in from chicago for the event  sitting pretty: a woman who goes by martha war sits by the pool   the rockabilly weekend  is a flashback to vintage pinups, tiki drinks, tattoos and a fashion aesthetic that balances high heels with just as high hair  smoking hot: the viva las vegas car show is pegged as 'the best car show of its type anywhere' 'it's the culture, the lifestyle, the attire, the cars, the music and the old mannerisms,' says tino pacheco of rialto, california when asked what attracts him to rockabilly at the center is rock 'n roll publicist alisha alexander says the retro weekend has grown so large, organizers have added a second music only event   the rockabilly rockout   in october at the gold coast hotel & casino that harkens back to the event's roots 'it's gotten a lot bigger you have people from all over germany, austria, mexico, italy,' said pacheco who attended the weekend for about 15 years 'a lot of us come here to keep the culture alive, to keep it going and that's what makes it unique' ready for our close ups: marilia skraba, center, of brazil, applies make up while waiting to compete in the miss viva las vegas contest  on the look out: chelsea spirito, left, reacts as she watches a men's bathing suit contest at the viva las vegas rockabilly weekend  making their moves: people crowd the dance floor at a jive dance class during the retro themed festivities  crowd pleaser: the one and only inga performs during a burlesque show   people started lining up over an hour before to make sure they had seats to the performance  booted and ready: susanna raphael wellbourne of the burlesque duo kitten and lou rests backstage during a burlesque show  candid: a woman dances at the viva las vegas rockabilly weekend   the swing, jive and two step dominated the dance floors at the event  making new friends: zack simpson, right, and dollie simpson dance during a jive class   dance classes were held for bopping, jiving, strolling and the texas two step  non stop entertainment: angie almilla kisses eric martinez while waiting in line for a pool party  traveling from far and wide: rebecca skehan, left, and mark skehan drink beer while listening to live music   the music was a big draw for the couple, who came from australia to attend the event  family act: a festival attendee poses in front of a retro car with her baby daughter wearing matching attire   bar the killer heels  maximum capacity: publicist alisha alexander says the retro weekend has grown so large, organizers have added a second music only event  summery look: temperatures in las vegas over the weekend were around 70 degrees fahrenheit 
the orleans hotel and casino the viva las vegas rockabilly weekend easter four day pre 1960 north america's each year
the viva las vegas rockabilly weekend is an annual four day music festival that takes place over easter  it also puts on north america's biggest pre 1960's era car show  an estimated 20,000 attendees flock to the orleans hotel and casino for the event each year 