PHOTOS: Your VIP Pass Inside PEOPLE's Ones to Watch Party!

Hollywood's hottest rising stars kicked back at L.A.'s sizzling new nightspot Thursday night – check it out!

THE MUSIC MEN

You might not know their faces, but you definitely know their song! The guys of Brit boy band Rixton – Lewi Morgan, Danny Wilkin, Jake Roche and Charley Bagnall – are anything but broken-hearted inside the bash.