His floppy blonde locks won over a generation in Thelma And Louise. And Brad Pitt once again rocked an impressive golden 'do on Sunday - this time tied back into a short ponytail as he presented at the Academy Awards.The 57-year-old unveiled his new hair style as he presented the Best Supporting Actress Oscar to Yuh-Jung Youn, 73, who was the first Korean and only second person of Asian heritage to win the category.