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3 May 2012, 11:45 | Updated: 3 May 2012, 11:50
The 'One Shot' singers have been seen all smiles on the outing in Nevada.
JLS have been pictured out on the streets of Las Vegas as they celebrate band mate Marvin Humes' stag do.
The 'Take A Chance On Me' star is due to marry fiancé and The Saturdays star Rochelle Wiseman this summer and flew out for the trip with his close friends and the JLS stars yesterday (2nd May).
The singer was all smiles as he made his way through the town hand-cuffed to a man known simply as 5Cent and wore a t-shirt with the body of a female in red underwear on.
The group were in high spirits as they were spotted going for lunch and relaxing poolside at their hotel.
You can view a picture of JLS in Las Vegas on Marvin Humes' stag do below: (Picture: Flynett)
Reports have also been suggesting that Oritse pranked his band mate by supplying masks of Rochelle for them all to wear when they arrived in Sin City.
You can view the full gallery of Marvin Humes and the JLS stars out in Las Vegas by clicking on the link below.