Whatever the mysterious "personal issues" that put her into rehab earlier this year were, Eva Mendes looks no worse for the wear. The statuesque actress stepped out for a luncheon at the Hollywood Roosevelt Hotel looking golden-skinned and toned. The secret to her super-svelte, glowy look? "Sticking to my exercise regime," Eva tells People. Her routine includes working out four times per week with celebrity trainer Harley Pasternak.