What happens in Vegas! Kourtney Kardashian and Travis Barker just tied the knot in a small Las Vegas ceremony, but the lovebirds weren’t the first celebrities to choose Sin City as their dream wedding venue. Whether they’ve lasted a lifetime or just for a season, some of our favorite celebrity couples have graced the chapels in Las Vegas to say their wedding vows. Scroll through the images below to see some of the most memorable celebrity weddings that took place in Las Vegas: Kourtney Kardashian & Travis Barker As OK! reported, the Blink-182 drummer and Kardashian consecrated their whirlwind …