WE HAVE A QUEEN-SIZE BED, PATRICIA!” ST. LUCIA frontman and principal songwriter Jean-Philip Grobler, 32, shouts in mid-air. He’s jumping up and down on the bed with wife and keyboardist Patti Beranek, while a photographer tries to capture the moment for their Billboard photo shoot. “You’re kneeing me every time you jump!” Beranek, 33, fires back playfully. Though the bed proves too small for acrobatics, the indie power couple, who moved into a luxury one-bedroom apartment in Williamsburg in 2009, has every reason to be giddy. The act, who has toured with Ellie Goulding and Charli XCX, has just wrapped its sophomore album, a follow-up to 2013’s When the Night, as well as a mini-run with Empire of the Sun.
Expats Grobler, who grew up in South Africa, and Beranek,…
