We've been in denial up until now, but it looks like the final Backstreet Boy really IS off the market!!!
The twosome had a joint bachelor/bachelorette party in Las Vegas over the weekend at Palms Casino Resort!
The soon-to-be married pair began the raging weekend on Friday at Moon Nightclub with the Ciroc flowing and their love on FULL display with smooches and dancing.
But the party poppin' good time didn't stop there!
Nick and his crew went