Meet “Opera Singer” Oksana Grigorieva. The Ukraine-born diva (seen here resting between selections during a performance of “Detskaya”) was once the girlfriend of Timothy Dalton but now is best known as “the woman behind Mel Gibson‘s billion-dollar divorce.” The Braveheart star himself produced the enceinte Grigorieva’s current single “Call My Name” (no relation to the Destiny’s Child hit) which the bravehearted among the cher public may hear streaming exclusively from People.com.