JLS 'Concerned By One Direction's US Success'
As the lads continue Marvin's stag do celebrations in Las Vegas...
The band, who are signed to the same The Saturdays star Rochelle Wiseman, was less than impressed with the stunt, later tweeting: “I’m sure his new pal is nice but he can stay there. ha x”
The boys have since been spotted sipping cocktails around the pool at Sin City's Encore hotel, as well as taking a helicopter ride to the Grand Canyon.