Johnny Depp red carpet outings are few and far between, especially in Los Angeles, but the veteran star turned up at the Wilshire Ebell Theater on Tuesday night for a packed launch party to promote his new rum brand. And plenty of rock stars rolled through to show support and swallow some Three Hearts Rum. Aerosmith legend Steven Tyler (who sang along to “Walk This Way”), Beck, The Kills’ Jamie Hince, Queens of the Stone Age’s Josh Homme, Arctic Monkey’s Matt Helders, Jerry Cantrell and others were among the rockers while guests included Jerry Bruckheimer, Bill Burr, Rauw Alejandro, Rain Phoenix and more. But instead of drafting one of his pals to hit the stage, the night featured a performance from Matteo Bocelli, son of acclaimed singer Andrea Bocelli. Depp also made the most of his rare L.A. night out. He was seen greeting fans and taking in the lively atmosphere alongside his co-founder Bobby DeLeon. The two even teamed up as Depp branded two cases of wood to match the symbols on their new …