Last Thursday, San Diego-based singer-songwriter (and avid surfer) Tristan Prettyman (MySpace) returned to Los Angeles, headlining at The Roxy (MySpace) in West Hollywood. Australian Whitley (MySpace) was the opener. A self-confessed tabloid junkie, Prettyman performed her signature acoustic cover of Britney Spears' "Toxic," lamenting afterward that she's never around town where the celebrities are. And If there was a theme for (what she repeatedly referred to as) the "spicy" night, it was audience participation, whether......